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1eb1ef4 Jaegeuk Kim 09 September 2017, 19:03:23 UTC f2fs: better to wait for fstrim completion In android, we'd better wait for fstrim completion instead of issuing the discard commands asynchronous. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 12 September 2017, 00:22:12 UTC
27161f1 Yunlei He 07 September 2017, 02:40:54 UTC f2fs: avoid race in between read xattr & write xattr Thread A: Thread B: -f2fs_getxattr -lookup_all_xattrs -xnid = F2FS_I(inode)->i_xattr_nid; -f2fs_setxattr -__f2fs_setxattr -write_all_xattrs -truncate_xattr_node ... ... -write_checkpoint ... ... -alloc_nid <- nid reuse -get_node_page -f2fs_bug_on <- nid != node_footer->nid It's need a rw_sem to avoid the race Signed-off-by: Yunlei He <heyunlei@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 08 September 2017, 03:57:20 UTC
13ba41e Jaegeuk Kim 07 September 2017, 04:04:44 UTC f2fs: make get_lock_data_page to handle encrypted inode This patch refactors get_lock_data_page() to handle encryption case directly. In order to do that, it introduces common f2fs_submit_page_read(). Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 08 September 2017, 03:55:51 UTC
d4c759e Jaegeuk Kim 06 September 2017, 00:04:35 UTC f2fs: use generic terms used for encrypted block management This patch renames functions regarding to buffer management via META_MAPPING used for encrypted blocks especially. We can actually use them in generic way. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 06 September 2017, 03:21:48 UTC
1958593 Jaegeuk Kim 05 September 2017, 23:54:24 UTC f2fs: introduce f2fs_encrypted_file for clean-up This patch replaces (f2fs_encrypted_inode() && S_ISREG()) with f2fs_encrypted_file(), which gives no functional change. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 06 September 2017, 03:11:29 UTC
2afce76 Yunlong Song 04 September 2017, 03:10:18 UTC Revert "f2fs: add a new function get_ssr_cost" This reverts commit b7b7c4cf1c9ef0272a65f1480457cbfdadcda19d. se->ckpt_valid_blocks will never be smaller than se->valid_blocks, so just remove get_ssr_cost. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:52:28 UTC
f62fc9f Arvind Yadav 31 August 2017, 09:36:24 UTC f2fs: constify super_operations super_operations are not supposed to change at runtime. "struct super_block" working with super_operations provided by <linux/fs.h> work with const super_operations. So mark the non-const structs as const Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:24 UTC
d323869 Chao Yu 31 August 2017, 10:56:06 UTC f2fs: fix to wake up all sleeping flusher In scenario of remount_ro vs flush, after flush_thread exits in ->remount_fs, flusher will only clean up golbal issue_list, but without waking up flushers waiting on that list, result in hang related user threads. In order to fix this issue, this patch enables the flusher to take charge of issue_flush thread: executes merged flush command, and wake up all sleeping flushers. Fixes: 5eba8c5d1fb3 ("f2fs: fix to access nullified flush_cmd_control pointer") Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:23 UTC
edd748e Chao Yu 31 August 2017, 10:56:05 UTC f2fs: avoid race in between atomic_read & atomic_inc Previously, we will miss merging flush command during fsync due to below race condition: Thread A Thread B Thread C - f2fs_issue_flush - atomic_read(&issing_flush) - f2fs_issue_flush - atomic_read(&issing_flush) - f2fs_issue_flush - atomic_read(&issing_flush) - atomic_inc(&issing_flush) - atomic_inc(&issing_flush) - atomic_inc(&issing_flush) - submit_flush_wait - submit_flush_wait - submit_flush_wait It needs to use atomic_inc_return instead to avoid such race. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:22 UTC
025d63a Chao Yu 30 August 2017, 10:04:48 UTC f2fs: remove unneeded parameter of change_curseg allocate_segment_by_default is the only caller of change_curseg passing @reuse with 'false', but commit 763bfe1bc575 ("f2fs: remove reusing any prefree segments") removes the calling, after that, @reuse in change_curseg always be true, so, let's clean up the unneeded parameter. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:21 UTC
11f5020 Chao Yu 30 August 2017, 10:04:47 UTC f2fs: update i_flags correctly f2fs enables hash-indexed directory by default, so we need to tag FS_INDEX_FL in inode::i_flags during directory creataion, in order to show correct status of inode in lsattr: Before: ------------------- /mnt/f2fs/dir/ After: -----------I------- /mnt/f2fs/dir/ Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:21 UTC
ee60523 Jaegeuk Kim 31 August 2017, 23:54:51 UTC f2fs: don't check inode's checksum if it was dirtied or writebacked If another thread already made the page dirtied or writebacked, we must avoid to verify checksum. If we got an error, we need to remove its uptodate as well. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:50:11 UTC
a298d57 Jaegeuk Kim 31 August 2017, 18:10:58 UTC f2fs: don't need to update inode checksum for recovery This patch fixes "f2fs: support inode checksum". The recovered inode page will be rewritten with valid checksum. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 05 September 2017, 17:49:37 UTC
774e1b7 Chao Yu 23 August 2017, 10:23:25 UTC f2fs: trigger fdatasync for non-atomic_write file Sqlite only cares about synchronization of file data instead of other data unrelated attribute of inode, so in commit flow, call fdatasync is enough. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:05:42 UTC
73ac2f4 Chao Yu 23 August 2017, 10:23:24 UTC f2fs: fix to avoid race in between aio and gc We won't wait DIO synchronously when doing AIO, so there will be potential IO reorder in between AIO and GC, which will cause data corruption. This patch adds inode_dio_wait to serialize aio and data GC to avoid this issue. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:05:42 UTC
01983c7 Jaegeuk Kim 23 August 2017, 04:15:43 UTC f2fs: wake up discard_thread iff there is a candidate This patch fixes to avoid needless wake ups. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:05:33 UTC
adb6dc1 Jaegeuk Kim 21 August 2017, 20:51:32 UTC f2fs: return error when accessing insane flie offset If file offset is insane, we have to return error instead of kernel panic. Reported-by: Eric Zhang <followme999@163.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:02:58 UTC
0adf6a1 Chao Yu 18 August 2017, 08:20:33 UTC f2fs: trigger normal fsync for non-atomic_write file If file was not opened with atomic write mode, but user uses atomic write ioctl to fsync datas, in the flow, we should not fsync that file with atomic write mode. Fixes: 608514deba38 ("f2fs: set fsync mark only for the last dnode") Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:02:57 UTC
84a23fb Chao Yu 18 August 2017, 15:37:36 UTC f2fs: clear FI_HOT_DATA correctly This patch fixes to clear FI_HOT_DATA correctly in below path: - error handling in f2fs_ioc_start_atomic_write - after commit atomic write in f2fs_ioc_commit_atomic_write - after drop atomic write in drop_inmem_pages Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:02:56 UTC
6f890df Chao Yu 21 August 2017, 14:53:45 UTC f2fs: fix out-of-order execution in f2fs_issue_flush In f2fs_issue_flush, due to out-of-order execution of CPU, wake_up can be called before we insert issue_list, result in long latency of wait_for_completion. Fix this by adding smp_mb() to force the order of related codes. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:02:55 UTC
5f65654 Jaegeuk Kim 16 August 2017, 04:27:19 UTC f2fs: issue discard commands if gc_urgent is set It's time to issue all the discard commands, if user sets the idle time. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 August 2017, 17:02:47 UTC
969d1b1 Chao Yu 07 August 2017, 15:09:56 UTC f2fs: introduce discard_granularity sysfs entry Commit d618ebaf0aa8 ("f2fs: enable small discard by default") enables f2fs to issue 4K size discard in real-time discard mode. However, issuing smaller discard may cost more lifetime but releasing less free space in flash device. Since f2fs has ability of separating hot/cold data and garbage collection, we can expect that small-sized invalid region would expand soon with OPU, deletion or garbage collection on valid datas, so it's better to delay or skip issuing smaller size discards, it could help to reduce overmuch consumption of IO bandwidth and lifetime of flash storage. This patch makes f2fs selectng 64K size as its default minimal granularity, and issue discard with the size which is not smaller than minimal granularity. Also it exposes discard granularity as sysfs entry for configuration in different scenario. Jaegeuk Kim: We must issue all the accumulated discard commands when fstrim is called. So, I've added pend_list_tag[] to indicate whether we should issue the commands or not. If tag sets P_ACTIVE or P_TRIM, we have to issue them. P_TRIM is set once at a time, given fstrim trigger. In addition, issue_discard_thread is calling too much due to the number of discard commands remaining in the pending list. I added a timer to control it likewise gc_thread. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:07 UTC
f24b150 Yunlong Song 14 August 2017, 08:52:43 UTC f2fs: remove unused function overprovision_sections Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:07 UTC
125c9fb Jaegeuk Kim 13 August 2017, 04:33:23 UTC f2fs: check hot_data for roll-forward recovery We need to check HOT_DATA to truncate any previous data block when doing roll-forward recovery. Cc: <stable@vger.kernel.org> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:06 UTC
c56f16d Chao Yu 11 August 2017, 10:00:15 UTC f2fs: add tracepoint for f2fs_gc This patch adds tracepoint for f2fs_gc. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:05 UTC
7f2b4e8 Chao Yu 08 August 2017, 11:09:08 UTC f2fs: retry to revoke atomic commit in -ENOMEM case During atomic committing, if we encounter -ENOMEM in revoke path, it's better to give a chance to retry revoking. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:04 UTC
afd2b4d Jaegeuk Kim 11 August 2017, 00:35:04 UTC f2fs: let fill_super handle roll-forward errors If we set CP_ERROR_FLAG in roll-forward error, f2fs is no longer to proceed any IOs due to f2fs_cp_error(). But, for example, if some stale data is involved on roll-forward process, we're able to get -ENOENT, getting fs stuck. If we get any error, let fill_super set SBI_NEED_FSCK and try to recover back to stable point. Cc: <stable@vger.kernel.org> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:03 UTC
f2220c7 Qiuyang Sun 09 August 2017, 09:27:30 UTC f2fs: merge equivalent flags F2FS_GET_BLOCK_[READ|DIO] Currently, the two flags F2FS_GET_BLOCK_[READ|DIO] are totally equivalent and can be used interchangably in all scenarios they are involved in. Neither of the flags is referenced in f2fs_map_blocks(), making them both the default case. To remove the ambiguity, this patch merges both flags into F2FS_GET_BLOCK_DEFAULT, and introduces an enum for all distinct flags. Signed-off-by: Qiuyang Sun <sunqiuyang@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:55:02 UTC
4b2414d Chao Yu 08 August 2017, 02:54:31 UTC f2fs: support journalled quota This patch supports to enable f2fs to accept quota information through mount option: - {usr,grp,prj}jquota=<quota file path> - jqfmt=<quota type> Then, in ->mount flow, we can recover quota file during log replaying, by this, journelled quota can be supported. Signed-off-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: Fix wrong return values.] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 21 August 2017, 22:54:48 UTC
b8c502b Chao Yu 07 August 2017, 15:12:46 UTC f2fs: fix potential overflow when adjusting GC cycle While comparing signed and unsigned variables, compiler will converts the signed value to unsigned one, due to this reason, {in,de}crease_sleep_time may return overflowed result. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 15 August 2017, 17:40:14 UTC
9a20d39 Chao Yu 07 August 2017, 08:37:59 UTC f2fs: avoid unneeded sync on quota file We only need to sync quota file with appointed quota type instead of all types in f2fs_quota_{on,off}. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 15 August 2017, 17:40:13 UTC
d9872a6 Jaegeuk Kim 07 August 2017, 05:09:00 UTC f2fs: introduce gc_urgent mode for background GC This patch adds a sysfs entry to control urgent mode for background GC. If this is set, background GC thread conducts GC with gc_urgent_sleep_time all the time. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 15 August 2017, 17:40:12 UTC
3537581 Jaegeuk Kim 05 August 2017, 21:25:08 UTC f2fs: use IPU for cold files We expect cold files write data sequentially, but sometimes some of small data can be updated, which incurs fragmentation. Let's avoid that. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 15 August 2017, 17:40:11 UTC
008396e Yunlong Song 04 August 2017, 09:07:15 UTC f2fs: fix the size value in __check_sit_bitmap The current size value is not correct and will miss bitmap check. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 15 August 2017, 17:40:10 UTC
b0af6d4 Chao Yu 02 August 2017, 15:21:48 UTC f2fs: add app/fs io stat This patch enables inner app/fs io stats and introduces below virtual fs nodes for exposing stats info: /sys/fs/f2fs/<dev>/iostat_enable /proc/fs/f2fs/<dev>/iostat_info Signed-off-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix wrong stat assignment] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 10 August 2017, 04:43:58 UTC
35ee82c Yunlong Song 02 August 2017, 14:16:54 UTC f2fs: do not change the valid_block value if cur_valid_map was wrongly set or cleared Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 10 August 2017, 00:45:23 UTC
6415fed Yunlong Song 02 August 2017, 13:20:13 UTC f2fs: update cur_valid_map_mir together with cur_valid_map When cur_valid_map passes the f2fs_test_and_set(,clear)_bit test, cur_valid_map_mir update is skipped unlikely, so fix it. The fix now changes the mirror check together with cur_valid_map all the time. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: Fix unused variable and add unlikely for corner condition.] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 10 August 2017, 00:45:21 UTC
a36c106 Jaegeuk Kim 03 August 2017, 03:58:29 UTC f2fs: use printk_ratelimited for f2fs_msg This patch reduces contention of printks. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 04 August 2017, 02:09:52 UTC
bf9e697 Jaegeuk Kim 22 July 2017, 00:14:09 UTC f2fs: expose features to sysfs entry This patch exposes what features are supported by current f2fs build to sysfs entry via: /sys/fs/f2fs/features/ /sys/fs/f2fs/dev/features Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 04 August 2017, 02:09:51 UTC
704956e Chao Yu 31 July 2017, 12:19:09 UTC f2fs: support inode checksum This patch adds to support inode checksum in f2fs. Signed-off-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix verification flow] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 04 August 2017, 02:09:26 UTC
4f31d26 Jaegeuk Kim 30 July 2017, 16:45:14 UTC f2fs: return wrong error number on f2fs_quota_write This must return size, not error number. Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 04 August 2017, 02:05:05 UTC
401db79 Yunlong Song 27 July 2017, 12:11:00 UTC f2fs: provide f2fs_balance_fs to __write_node_page Let node writeback also do f2fs_balance_fs to ensure there are always enough free segments. Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 04 August 2017, 02:05:04 UTC
ddc34e3 Chao Yu 28 July 2017, 16:32:53 UTC f2fs: introduce f2fs_statfs_project This patch introduces f2fs_statfs_project, it enables to show usage status of directory tree which is limited with project quota. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:36 UTC
2c1d030 Chao Yu 28 July 2017, 16:32:52 UTC f2fs: support F2FS_IOC_FS{GET,SET}XATTR This patch adds FS_IOC_FSSETXATTR/FS_IOC_FSGETXATTR ioctl interface support for f2fs. The interface is kept consistent with the one of ext4/xfs. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:35 UTC
b6a245e Jaegeuk Kim 28 July 2017, 09:29:12 UTC f2fs: don't need to wait for node writes for atomic write We have a node chain to serialize node block writes, so if any IOs for node block writes are reordered, we'll get broken node chain. IOWs, roll-forward recovery will see all or none node blocks given fsync mark. E.g., Node chain consists of: N1 -> N2 -> N3 -> NFSYNC -> N1' -> N2' -> N'FSYNC Reordered to: 1) N1 -> N2 -> N3 -> N2' -> NFSYNC -> N'FSYNC -> power-cut 2) N1 -> N2 -> N3 -> N1' -> NFSYNC -> power-cut 3) N1 -> N2 -> NFSYNC -> N1' -> N'FSYNC -> N3 -> power-cut 4) N1 -> NFSYNC -> N1' -> N2' -> N'FSYNC -> N3 -> power-cut Roll-forward recovery can proceed to: 1) N1 -> N2 -> N3 -> NFSYNC -> X 2) N1 -> N2 -> N3 -> NFSYNC -> N1' -> X 3) N1 -> N2 -> N3 -> FSYNC -> N1' -> X 4) N1 -> X Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:34 UTC
dc6b205 Jaegeuk Kim 26 July 2017, 18:24:13 UTC f2fs: avoid naming confusion of sysfs init This patch changes the function names of sysfs init to follow ext4. f2fs_init_sysfs <-> f2fs_register_sysfs f2fs_exit_sysfs <-> f2fs_unregister_sysfs Suggested-by: Chao Yu <yuchao0@huawei.com> Reivewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:33 UTC
5c57132 Chao Yu 25 July 2017, 16:01:41 UTC f2fs: support project quota This patch adds to support plain project quota. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:32 UTC
a6d3a47 Chao Yu 24 July 2017, 09:12:06 UTC f2fs: record quota during dot{,dot} recovery In ->lookup(), we will have a try to recover dot or dotdot for corrupted directory, once disk quota is on, if it allocates new block during dotdot recovery, we need to record disk quota info for the allocation, so this patch fixes this issue by adding missing dquot_initialize() in __recover_dot_dentries. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:31 UTC
7a2af76 Chao Yu 18 July 2017, 16:19:06 UTC f2fs: enhance on-disk inode structure scalability This patch add new flag F2FS_EXTRA_ATTR storing in inode.i_inline to indicate that on-disk structure of current inode is extended. In order to extend, we changed the inode structure a bit: Original one: struct f2fs_inode { ... struct f2fs_extent i_ext; __le32 i_addr[DEF_ADDRS_PER_INODE]; __le32 i_nid[DEF_NIDS_PER_INODE]; } Extended one: struct f2fs_inode { ... struct f2fs_extent i_ext; union { struct { __le16 i_extra_isize; __le16 i_padding; __le32 i_extra_end[0]; }; __le32 i_addr[DEF_ADDRS_PER_INODE]; }; __le32 i_nid[DEF_NIDS_PER_INODE]; } Once F2FS_EXTRA_ATTR is set, we will steal four bytes in the head of i_addr field for storing i_extra_isize and i_padding. with i_extra_isize, we can calculate actual size of reserved space in i_addr, available attribute fields included in total extra attribute fields for current inode can be described as below: +--------------------+ | .i_mode | | ... | | .i_ext | +--------------------+ | .i_extra_isize |-----+ | .i_padding | | | .i_prjid | | | .i_atime_extra | | | .i_ctime_extra | | | .i_mtime_extra |<----+ | .i_inode_cs |<----- store blkaddr/inline from here | .i_xattr_cs | | ... | +--------------------+ | | | block address | | | +--------------------+ | .i_nid | +--------------------+ | node_footer | | (nid, ino, offset) | +--------------------+ Hence, with this patch, we would enhance scalability of f2fs inode for storing more newly added attribute. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:30 UTC
f247037 Chao Yu 18 July 2017, 16:19:05 UTC f2fs: make max inline size changeable This patch tries to make below macros calculating max inline size, inline dentry field size considerring reserving size-changeable space: - MAX_INLINE_DATA - NR_INLINE_DENTRY - INLINE_DENTRY_BITMAP_SIZE - INLINE_RESERVED_SIZE Then, when inline_{data,dentry} options is enabled, it allows us to reserve inline space with different size flexibly for adding newly introduced inode attribute. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:29 UTC
e65ef20 Jaegeuk Kim 21 July 2017, 19:58:59 UTC f2fs: add ioctl to expose current features This patch adds an ioctl to provide feature information to user. For exapmle, SQLite can use this ioctl to detect whether f2fs support atomic write or not. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:48:28 UTC
dc6febb Chao Yu 22 July 2017, 00:52:23 UTC f2fs: make background threads of f2fs being aware of freezing When ->freeze_fs is called from lvm for doing snapshot, it needs to make sure there will be no more changes in filesystem's data, however, previously, background threads like GC thread wasn't aware of freezing, so in environment with active background threads, data of snapshot becomes unstable. This patch fixes this issue by adding sb_{start,end}_intwrite in below background threads: - GC thread - flush thread - discard thread Note that, don't use sb_start_intwrite() in gc_thread_func() due to: generic/241 reports below bug: ====================================================== WARNING: possible circular locking dependency detected 4.13.0-rc1+ #32 Tainted: G O ------------------------------------------------------ f2fs_gc-250:0/22186 is trying to acquire lock: (&sbi->gc_mutex){+.+...}, at: [<f8fa7f0b>] f2fs_sync_fs+0x7b/0x1b0 [f2fs] but task is already holding lock: (sb_internal#2){++++.-}, at: [<f8fb5609>] gc_thread_func+0x159/0x4a0 [f2fs] which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (sb_internal#2){++++.-}: __lock_acquire+0x405/0x7b0 lock_acquire+0xae/0x220 __sb_start_write+0x11d/0x1f0 f2fs_evict_inode+0x2d6/0x4e0 [f2fs] evict+0xa8/0x170 iput+0x1fb/0x2c0 f2fs_sync_inode_meta+0x3f/0xf0 [f2fs] write_checkpoint+0x1b1/0x750 [f2fs] f2fs_sync_fs+0x85/0x1b0 [f2fs] f2fs_do_sync_file.isra.24+0x137/0xa30 [f2fs] f2fs_sync_file+0x34/0x40 [f2fs] vfs_fsync_range+0x4a/0xa0 do_fsync+0x3c/0x60 SyS_fdatasync+0x15/0x20 do_fast_syscall_32+0xa1/0x1b0 entry_SYSENTER_32+0x4c/0x7b -> #1 (&sbi->cp_mutex){+.+...}: __lock_acquire+0x405/0x7b0 lock_acquire+0xae/0x220 __mutex_lock+0x4f/0x830 mutex_lock_nested+0x25/0x30 write_checkpoint+0x2f/0x750 [f2fs] f2fs_sync_fs+0x85/0x1b0 [f2fs] sync_filesystem+0x67/0x80 generic_shutdown_super+0x27/0x100 kill_block_super+0x22/0x50 kill_f2fs_super+0x3a/0x40 [f2fs] deactivate_locked_super+0x3d/0x70 deactivate_super+0x40/0x60 cleanup_mnt+0x39/0x70 __cleanup_mnt+0x10/0x20 task_work_run+0x69/0x80 exit_to_usermode_loop+0x57/0x92 do_fast_syscall_32+0x18c/0x1b0 entry_SYSENTER_32+0x4c/0x7b -> #0 (&sbi->gc_mutex){+.+...}: validate_chain.isra.36+0xc50/0xdb0 __lock_acquire+0x405/0x7b0 lock_acquire+0xae/0x220 __mutex_lock+0x4f/0x830 mutex_lock_nested+0x25/0x30 f2fs_sync_fs+0x7b/0x1b0 [f2fs] f2fs_balance_fs_bg+0xb9/0x200 [f2fs] gc_thread_func+0x302/0x4a0 [f2fs] kthread+0xe9/0x120 ret_from_fork+0x19/0x24 other info that might help us debug this: Chain exists of: &sbi->gc_mutex --> &sbi->cp_mutex --> sb_internal#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_internal#2); lock(&sbi->cp_mutex); lock(sb_internal#2); lock(&sbi->gc_mutex); *** DEADLOCK *** 1 lock held by f2fs_gc-250:0/22186: #0: (sb_internal#2){++++.-}, at: [<f8fb5609>] gc_thread_func+0x159/0x4a0 [f2fs] stack backtrace: CPU: 2 PID: 22186 Comm: f2fs_gc-250:0 Tainted: G O 4.13.0-rc1+ #32 Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 Call Trace: dump_stack+0x5f/0x92 print_circular_bug+0x1b3/0x1bd validate_chain.isra.36+0xc50/0xdb0 ? __this_cpu_preempt_check+0xf/0x20 __lock_acquire+0x405/0x7b0 lock_acquire+0xae/0x220 ? f2fs_sync_fs+0x7b/0x1b0 [f2fs] __mutex_lock+0x4f/0x830 ? f2fs_sync_fs+0x7b/0x1b0 [f2fs] mutex_lock_nested+0x25/0x30 ? f2fs_sync_fs+0x7b/0x1b0 [f2fs] f2fs_sync_fs+0x7b/0x1b0 [f2fs] f2fs_balance_fs_bg+0xb9/0x200 [f2fs] gc_thread_func+0x302/0x4a0 [f2fs] ? preempt_schedule_common+0x2f/0x4d ? f2fs_gc+0x540/0x540 [f2fs] kthread+0xe9/0x120 ? f2fs_gc+0x540/0x540 [f2fs] ? kthread_create_on_node+0x30/0x30 ret_from_fork+0x19/0x24 The deadlock occurs in below condition: GC Thread Thread B - sb_start_intwrite - f2fs_sync_file - f2fs_sync_fs - mutex_lock(&sbi->gc_mutex) - write_checkpoint - block_operations - f2fs_sync_inode_meta - iput - sb_start_intwrite - mutex_lock(&sbi->gc_mutex) Fix this by altering sb_start_intwrite to sb_start_write_trylock. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 31 July 2017, 23:47:27 UTC
7a10f01 Jaegeuk Kim 25 July 2017, 02:46:29 UTC f2fs: don't give partially written atomic data from process crash This patch resolves the below scenario. == Process 1 == == Process 2 == open(w) open(rw) begin write(new_#1) process_crash f_op->flush locks_remove_posix f_op>release read (new_#1) In order to avoid corrupted database caused by new_#1, we must do roll-back at process_crash time. In order to check that, this patch keeps task which triggers transaction begin, and does roll-back in f_op->flush before removing file locks. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 July 2017, 00:49:01 UTC
640cc18 Jaegeuk Kim 19 July 2017, 17:59:55 UTC f2fs: give a try to do atomic write in -ENOMEM case It'd be better to retry writing atomic pages when we get -ENOMEM. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 July 2017, 00:49:00 UTC
14af20f Ernesto A. Fernández 24 July 2017, 01:32:54 UTC f2fs: preserve i_mode if __f2fs_set_acl() fails When changing a file's acl mask, __f2fs_set_acl() will first set the group bits of i_mode to the value of the mask, and only then set the actual extended attribute representing the new acl. If the second part fails (due to lack of space, for example) and the file had no acl attribute to begin with, the system will from now on assume that the mask permission bits are actual group permission bits, potentially granting access to the wrong users. Prevent this by only changing the inode mode after the acl has been set. Signed-off-by: Ernesto A. Fernández <ernesto.mnd.fernandez@gmail.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 29 July 2017, 00:48:54 UTC
8790568 Yunlei He 18 July 2017, 01:48:12 UTC f2fs: alloc new nids for xattr block in recovery recovery file A: recovery file B: -get_dnode_of_data -alloc_nid -recover_xattr_data -set_node_addr(sbi, &ni, NEW_ADDR, false); --->bug_on for nid has been used by file A In recovery process, new allocated node blocks may "reuse" xattr block nids, this patch alloc new nids for xattr blocks in recovery process to avoid this problem. Signed-off-by: Yunlei He <heyunlei@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 27 July 2017, 02:34:30 UTC
76a9dd8 Chao Yu 16 July 2017, 07:08:54 UTC f2fs: spread struct f2fs_dentry_ptr for inline path Use f2fs_dentry_ptr structure to indicate inline dentry structure as much as possible, so we can wrap inline dentry with size-fixed fields to the one with size-changeable fields. With this change, we can handle size-changeable inline dentry more easily. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 27 July 2017, 02:34:30 UTC
5f4ce6a Yunlei He 17 July 2017, 11:16:11 UTC f2fs: remove unused input parameter This patch remove unused input parameter in function new_node_page. Signed-off-by: Yunlei He <heyunlei@huawei.com> Signed-off-by: Yong Sheng <shengyong1@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> 27 July 2017, 02:34:30 UTC
fd2b2c5 Linus Torvalds 26 July 2017, 03:10:10 UTC Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three small fixes. The transfer size fixes are actually correcting some performance drops on the hpsa and smartpqi cards. The cards actually have an internal cache for request speed up but bypass it for transfers > 1MB. Since 4.3 the efficiency of our merges has rendered the cache mostly unused, so limit transfers to under 1MB to recover the cache boost" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: sg: fix static checker warning in sg_is_valid_dxfer scsi: smartpqi: limit transfer length to 1MB scsi: hpsa: limit transfer length to 1MB 26 July 2017, 03:10:10 UTC
5d4eeb8 Linus Torvalds 26 July 2017, 02:46:05 UTC Merge tag 'uuid-for-4.13-2' of git://git.infradead.org/users/hch/uuid Pull uuid fixes from Christoph Hellwig: - add a missing "!" in the uuid tests - remove the last remaining user of the uuid_be type, and then the type and its helpers * tag 'uuid-for-4.13-2' of git://git.infradead.org/users/hch/uuid: uuid: remove uuid_be thunderbolt: use uuid_t instead of uuid_be uuid: fix incorrect uuid_equal conversion in test_uuid_test 26 July 2017, 02:46:05 UTC
cef55b5 Linus Torvalds 26 July 2017, 00:17:18 UTC Merge tag 'dma-mapping-4.13-2' of git://git.infradead.org/users/hch/dma-mapping Pull dma mapping fixes from Christoph Hellwig: "split the global dma coherent pool from the per-device pool. This fixes a regression in the earlier 4.13 pull requests where the global pool would override a per-device CMA pool (Vladimir Murzin)" * tag 'dma-mapping-4.13-2' of git://git.infradead.org/users/hch/dma-mapping: ARM: NOMMU: Wire-up default DMA interface dma-coherent: introduce interface for default DMA pool 26 July 2017, 00:17:18 UTC
25f6a53 Linus Torvalds 25 July 2017, 15:51:57 UTC Merge tag 'jfs-4.13' of git://github.com/kleikamp/linux-shaggy Pull JFS fixes from David Kleikamp. * tag 'jfs-4.13' of git://github.com/kleikamp/linux-shaggy: jfs: preserve i_mode if __jfs_set_acl() fails jfs: Don't clear SGID when inheriting ACLs jfs: atomically read inode size 25 July 2017, 15:51:57 UTC
a9d0683 Linus Torvalds 25 July 2017, 15:49:00 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - regression fix (missing IRQs) for devices that require 'always poll' quirk, from Dmitry Torokhov - new device ID addition to Ortek driver, from Benjamin Tissoires * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: ortek: add one more buggy device HID: usbhid: fix "always poll" quirk 25 July 2017, 15:49:00 UTC
eeb7c41 Linus Torvalds 25 July 2017, 15:44:27 UTC Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: "Three bug fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/mm: set change and reference bit on lazy key enablement s390: chp: handle CRW_ERC_INIT for channel-path status change s390/perf: fix problem state detection 25 July 2017, 15:44:27 UTC
832e4c8 Christoph Hellwig 11 May 2017, 07:16:24 UTC uuid: remove uuid_be Everything uses uuid_t now. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> 24 July 2017, 15:50:37 UTC
7c39ffe Christoph Hellwig 18 July 2017, 13:30:05 UTC thunderbolt: use uuid_t instead of uuid_be Switch thunderbolt to the new uuid type. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Amir Goldstein <amir73il@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> 24 July 2017, 15:50:18 UTC
c228352 Benjamin Tissoires 18 July 2017, 16:28:13 UTC HID: ortek: add one more buggy device The iHome keypad also requires the same tweak we are doing for other Ortek devices. Reported-by: Mairin Duffy <duffy@redhat.com> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 24 July 2017, 15:38:21 UTC
520eccd Linus Torvalds 23 July 2017, 23:15:17 UTC Linux 4.13-rc2 23 July 2017, 23:15:17 UTC
7683e9e Linus Torvalds 23 July 2017, 23:06:21 UTC Properly alphabetize MAINTAINERS file This adds a perl script to actually parse the MAINTAINERS file, clean up some whitespace in it, warn about errors in it, and then properly sort the end result. My perl-fu is atrocious, so the script has basically been created by randomly putting various characters in a pile, mixing them around, and then looking it the end result does anything interesting when used as a perl script. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 July 2017, 23:06:21 UTC
f47e07b Linus Torvalds 23 July 2017, 22:08:05 UTC Fix up MAINTAINERS file problems Prepping for scripting the MAINTAINERS file cleanup (and possible split) showed a couple of cases where the headers for a couple of entries were bogus. There's a few different kinds of bogosities: - the X-GENE SOC EDAC case was confused and split over two lines - there were four entries for "GREYBUS PROTOCOLS DRIVERS" that were all different things. - the NOKIA N900 CAMERA SUPPORT" was duplicated all of which were more obvious when you started doing associative arrays in perl to track these things by the header (so that we can alphabetize this thing properly, and so that we might split it up by the data too). Cc: Joe Perches <joe@perches.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 23 July 2017, 22:08:05 UTC
a56e88e Linus Torvalds 23 July 2017, 18:22:45 UTC Merge tag 'for-linus-4.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "Some fixes and cleanups for running under Xen" * tag 'for-linus-4.13b-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/balloon: don't online new memory initially xen/x86: fix cpu hotplug xen/grant-table: log the lack of grants xen/x86: Don't BUG on CPU0 offlining 23 July 2017, 18:22:45 UTC
96edd61 Juergen Gross 10 July 2017, 08:10:45 UTC xen/balloon: don't online new memory initially When setting up the Xenstore watch for the memory target size the new watch will fire at once. Don't try to reach the configured target size by onlining new memory in this case, as the current memory size will be smaller in almost all cases due to e.g. BIOS reserved pages. Onlining new memory will lead to more problems e.g. undesired conflicts with NVMe devices meant to be operated as block devices. Instead remember the difference between target size and current size when the watch fires for the first time and apply it to any further size changes, too. In order to avoid races between balloon.c and xen-balloon.c init calls do the xen-balloon.c initialization from balloon.c. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com> 23 July 2017, 06:13:18 UTC
c185dde Juergen Gross 05 July 2017, 14:05:20 UTC xen/x86: fix cpu hotplug Commit dc6416f1d711eb4c1726e845d653235dcaae12e1 ("xen/x86: Call cpu_startup_entry(CPUHP_AP_ONLINE_IDLE) from xen_play_dead()") introduced an error leading to a stack overflow of the idle task when a cpu was brought offline/online many times: by calling cpu_startup_entry() instead of returning at the end of xen_play_dead() do_idle() would be entered again and again. Don't use cpu_startup_entry(), but cpuhp_online_idle() instead allowing to return from xen_play_dead(). Cc: <stable@vger.kernel.org> # 4.12 Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com> 23 July 2017, 06:13:11 UTC
29d11cf Wengang Wang 18 July 2017, 07:40:35 UTC xen/grant-table: log the lack of grants log a message when we enter this situation: 1) we already allocated the max number of available grants from hypervisor and 2) we still need more (but the request fails because of 1)). Sometimes the lack of grants causes IO hangs in xen_blkfront devices. Adding this log would help debuging. Signed-off-by: Wengang Wang <wen.gang.wang@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Junxiao Bi <junxiao.bi@oracle.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> 23 July 2017, 06:09:43 UTC
0e4d394 Vitaly Kuznetsov 26 June 2017, 16:39:30 UTC xen/x86: Don't BUG on CPU0 offlining CONFIG_BOOTPARAM_HOTPLUG_CPU0 allows to offline CPU0 but Xen HVM guests BUG() in xen_teardown_timer(). Remove the BUG_ON(), this is probably a leftover from ancient times when CPU0 hotplug was impossible, it works just fine for HVM. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Acked-by: Juergen Gross <jgross@suse.com> Signed-off-by: Juergen Gross <jgross@suse.com> 23 July 2017, 06:09:24 UTC
4b162c5 Linus Torvalds 22 July 2017, 16:25:00 UTC Merge tag 'hwmon-for-linus-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging Pull hwmon fix from Guenter Roeck: "Avoid buffer overruns in applesmc driver" * tag 'hwmon-for-linus-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: hwmon: (applesmc) Avoid buffer overruns 22 July 2017, 16:25:00 UTC
ae75d1a Linus Torvalds 22 July 2017, 16:00:24 UTC Merge tag 'tty-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial fixes from Greg KH: "Here are some small tty and serial driver fixes for 4.13-rc2. Nothing huge at all, a revert of a patch that turned out to break things, a fix up for a new tty ioctl we added in 4.13-rc1 to get the uapi definition correct, and a few minor serial driver fixes for reported issues. All of these have been in linux-next for a while with no reported issues" * tag 'tty-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: Fix TIOCGPTPEER ioctl definition tty: hide unused pty_get_peer function tty: serial: lpuart: Fix the logic for detecting the 32-bit type UART serial: imx: Prevent TX buffer PIO write when a DMA has been started Revert "serial: imx-serial - move DMA buffer configuration to DT" serial: sh-sci: Uninitialized variables in sysfs files serial: st-asc: Potential error pointer dereference 22 July 2017, 16:00:24 UTC
dedaff2 Linus Torvalds 22 July 2017, 15:57:24 UTC Merge tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small char and misc driver fixes for 4.13-rc2. All fix reported problems with 4.13-rc1 or older kernels (like the binder fixes). Full details in the shortlog. All have been in linux-next with no reported issues" * tag 'char-misc-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: w1: omap-hdq: fix error return code in omap_hdq_probe() regmap: regmap-w1: Fix build troubles w1: Fix slave count on 1-Wire bus (resend) mux: mux-core: unregister mux_class in mux_exit() mux: remove the Kconfig question for the subsystem nvmem: rockchip-efuse: amend compatible rk322x-efuse to rk3228-efuse drivers/fsi: fix fsi_slave_mode prototype fsi: core: register with postcore_initcall thunderbolt: Correct access permissions for active NVM contents vmbus: re-enable channel tasklet spmi: pmic-arb: Always allocate ppid_to_apid table MAINTAINERS: Add entry for SPMI subsystem spmi: Include OF based modalias in device uevent binder: Use wake up hint for synchronous transactions. binder: use group leader instead of open thread Revert "android: binder: Sanity check at binder ioctl" 22 July 2017, 15:57:24 UTC
55fd939 Linus Torvalds 22 July 2017, 15:55:16 UTC Merge tag 'usb-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small USB fixes for 4.13-rc2. The usual batch, gadget fixes for reported issues, as well as xhci fixes, and a small random collection of other fixes for reported issues. All have been in linux-next with no reported issues" * tag 'usb-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits) xhci: fix memleak in xhci_run() usb: xhci: fix spinlock recursion for USB2 test mode xhci: fix 20000ms port resume timeout usb: xhci: Issue stop EP command only when the EP state is running xhci: Bad Ethernet performance plugged in ASM1042A host xhci: Fix NULL pointer dereference when cleaning up streams for removed host usb: renesas_usbhs: gadget: disable all eps when the driver stops usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL usb: gadget: udc: renesas_usb3: protect usb3_ep->started in usb3_start_pipen() usb: gadget: udc: renesas_usb3: fix zlp transfer by the dmac usb: gadget: udc: renesas_usb3: fix free size in renesas_usb3_dma_free_prd() usb: gadget: f_uac2: endianness fixes. usb: gadget: f_uac1: endianness fixes. include: usb: audio: specify exact endiannes of descriptors usb: gadget: udc: start_udc() can be static usb: dwc2: gadget: On USB RESET reset device address to zero usb: storage: return on error to avoid a null pointer dereference usb: typec: include linux/device.h in ucsi.h USB: cdc-acm: add device-id for quirky printer usb: dwc3: gadget: only unmap requests from DMA if mapped ... 22 July 2017, 15:55:16 UTC
bcb53e5 Linus Torvalds 22 July 2017, 15:53:24 UTC Merge tag 'staging-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for reported issues for 4.13-rc2. Also in here is a new driver, the virtualbox DRM driver. It's stand-alone and got acks from the DRM developers to go in through this tree. It's a new thing, but it should be fine for this point in the rc cycle due to it being independent. All of this has been in linux-next for a while with no reported issues" * tag 'staging-4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: rtl8188eu: add TL-WN722N v2 support staging: speakup: safely register and unregister ldisc staging: speakup: add functions to register and unregister ldisc staging: speakup: safely close tty staging: sm750fb: avoid conflicting vesafb staging: lustre: ko2iblnd: check copy_from_iter/copy_to_iter return code staging: vboxvideo: Add vboxvideo to drivers/staging staging: sm750fb: fixed a assignment typo staging: rtl8188eu: memory leak in rtw_free_cmd_obj() staging: vchiq_arm: fix error codes in probe staging: comedi: ni_mio_common: fix AO timer off-by-one regression 22 July 2017, 15:53:24 UTC
82abbea Randy Dunlap 21 July 2017, 20:32:27 UTC MAINTAINERS: fix alphabetical ordering Fix major alphabetic errors. No attempt to fix items that all begin with the same word (like ARM, BROADCOM, DRM, EDAC, FREESCALE, INTEL, OMAP, PCI, SAMSUNG, TI, USB, etc.). (diffstat +/- is different by one line because TI KEYSTONE MULTICORE had 2 blank lines after it.) Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> 22 July 2017, 01:59:11 UTC
505d5c1 Linus Torvalds 21 July 2017, 23:26:01 UTC Merge tag 'nfs-for-4.13-2' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client bugfixes from Anna Schumaker: "Stable bugfix: - Fix error reporting regression Bugfixes: - Fix setting filelayout ds address race - Fix subtle access bug when using ACLs - Fix setting mnt3_counts array size - Fix a couple of pNFS commit races" * tag 'nfs-for-4.13-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid() NFS: Be more careful about mapping file permissions NFS: Store the raw NFS access mask in the inode's access cache NFSv3: Convert nfs3_proc_access() to use nfs_access_set_mask() NFS: Refactor NFS access to kernel access mask calculation net/sunrpc/xprt_sock: fix regression in connection error reporting. nfs: count correct array for mnt3_counts array size Revert commit 722f0b891198 ("pNFS: Don't send COMMITs to the DSes if...") pNFS/flexfiles: Handle expired layout segments in ff_layout_initiate_commit() NFS: Fix another COMMIT race in pNFS NFS: Fix a COMMIT race in pNFS mount: copy the port field into the cloned nfs_server structure. NFS: Don't run wake_up_bit() when nobody is waiting... nfs: add export operations 21 July 2017, 23:26:01 UTC
9931341 Linus Torvalds 21 July 2017, 23:24:22 UTC Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs Pull overlayfs fixes from Miklos Szeredi: "This fixes a crash with SELinux and several other old and new bugs" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: check for bad and whiteout index on lookup ovl: do not cleanup directory and whiteout index entries ovl: fix xattr get and set with selinux ovl: remove unneeded check for IS_ERR() ovl: fix origin verification of index dir ovl: mark parent impure on ovl_link() ovl: fix random return value on mount 21 July 2017, 23:24:22 UTC
0151ef0 Linus Torvalds 21 July 2017, 23:20:05 UTC Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: "A small set of fixes for -rc2 - two fixes for BFQ, documentation and code, and a removal of an unused variable in nbd. Outside of that, a small collection of fixes from the usual crew on the nvme side" * 'for-linus' of git://git.kernel.dk/linux-block: nvmet: don't report 0-bytes in serial number nvmet: preserve controller serial number between reboots nvmet: Move serial number from controller to subsystem nvmet: prefix version configfs file with attr nvme-pci: Fix an error handling path in 'nvme_probe()' nvme-pci: Remove nvme_setup_prps BUG_ON nvme-pci: add another device ID with stripe quirk nvmet-fc: fix byte swapping in nvmet_fc_ls_create_association nvme: fix byte swapping in the streams code nbd: kill unused ret in recv_work bfq: dispatch request to prevent queue stalling after the request completion bfq: fix typos in comments about B-WF2Q+ algorithm 21 July 2017, 23:20:05 UTC
bb236db Linus Torvalds 21 July 2017, 21:22:05 UTC Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma Pull more rdma fixes from Doug Ledford: "As per my previous pull request, there were two drivers that each had a rather large number of legitimate fixes still to be sent. As it turned out, I also missed a reasonably large set of fixes from one person across the stack that are all important fixes. All in all, the bnxt_re, i40iw, and Dan Carpenter are 3/4 to 2/3rds of this pull request. There were some other random fixes that I didn't send in the last pull request that I added to this one. This catches the rdma stack up to the fixes from up to about the beginning of this week. Any more fixes I'll wait and batch up later in the -rc cycle. This will give us a good base to start with for basing a for-next branch on -rc2. Summary: - i40iw fixes - bnxt_re fixes - Dan Carpenter bugfixes across stack - ten more random fixes, no more than two from any one person" * tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (37 commits) RDMA/core: Initialize port_num in qp_attr RDMA/uverbs: Fix the check for port number IB/cma: Fix reference count leak when no ipv4 addresses are set RDMA/iser: don't send an rkey if all data is written as immadiate-data rxe: fix broken receive queue draining RDMA/qedr: Prevent memory overrun in verbs' user responses iw_cxgb4: don't use WR keys/addrs for 0 byte reads IB/mlx4: Fix CM REQ retries in paravirt mode IB/rdmavt: Setting of QP timeout can overflow jiffies computation IB/core: Fix sparse warnings RDMA/bnxt_re: Fix the value reported for local ack delay RDMA/bnxt_re: Report MISSED_EVENTS in req_notify_cq RDMA/bnxt_re: Fix return value of poll routine RDMA/bnxt_re: Enable atomics only if host bios supports RDMA/bnxt_re: Specify RDMA component when allocating stats context RDMA/bnxt_re: Fixed the max_rd_atomic support for initiator and destination QP RDMA/bnxt_re: Report supported value to IB stack in query_device RDMA/bnxt_re: Do not free the ctx_tbl entry if delete GID fails RDMA/bnxt_re: Fix WQE Size posted to HW to prevent it from throwing error RDMA/bnxt_re: Free doorbell page index (DPI) during dealloc ucontext ... 21 July 2017, 21:22:05 UTC
24a1635 Linus Torvalds 21 July 2017, 21:16:42 UTC Merge tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "A bunch of fixes for rc2: two imx regressions, vc4 fix, dma-buf fix, some displayport mst fixes, and an amdkfd fix. Nothing too crazy, I assume we just haven't see much rc1 testing yet" * tag 'drm-fixes-for-v4.13-rc2' of git://people.freedesktop.org/~airlied/linux: drm/mst: Avoid processing partially received up/down message transactions drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req() drm/mst: Fix error handling during MST sideband message reception drm/imx: parallel-display: Accept drm_of_find_panel_or_bridge failure drm/imx: fix typo in ipu_plane_formats[] drm/vc4: Fix VBLANK handling in crtc->enable() path dma-buf/fence: Avoid use of uninitialised timestamp drm/amdgpu: Remove unused field kgd2kfd_shared_resources.num_mec drm/radeon: Remove initialization of shared_resources.num_mec drm/amdkfd: Remove unused references to shared_resources.num_mec drm/amdgpu: Fix KFD oversubscription by tracking queues correctly 21 July 2017, 21:16:42 UTC
f79ec88 Linus Torvalds 21 July 2017, 20:59:51 UTC Merge tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: "Three minor updates - Use the new GFP_RETRY_MAYFAIL to be more aggressive in allocating memory for the ring buffer without causing OOMs - Fix a memory leak in adding and removing instances - Add __rcu annotation to be able to debug RCU usage of function tracing a bit better" * tag 'trace-v4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: trace: fix the errors caused by incompatible type of RCU variables tracing: Fix kmemleak in instance_rmdir tracing/ring_buffer: Try harder to allocate 21 July 2017, 20:59:51 UTC
b0a7528 Linus Torvalds 21 July 2017, 20:58:10 UTC Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm Pull KVM fixes from Radim Krčmář: "A bunch of small fixes for x86" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: hyperv: avoid livelock in oneshot SynIC timers KVM: VMX: Fix invalid guest state detection after task-switch emulation x86: add MULTIUSER dependency for KVM KVM: nVMX: Disallow VM-entry in MOV-SS shadow KVM: nVMX: track NMI blocking state separately for each VMCS KVM: x86: masking out upper bits 21 July 2017, 20:58:10 UTC
10fc955 Linus Torvalds 21 July 2017, 20:54:37 UTC Merge tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "A handful of fixes, mostly for new code: - some reworking of the new STRICT_KERNEL_RWX support to make sure we also remove executable permission from __init memory before it's freed. - a fix to some recent optimisations to the hypercall entry where we were clobbering r12, this was breaking nested guests (PR KVM). - a fix for the recent patch to opal_configure_cores(). This could break booting on bare metal Power8 boxes if the kernel was built without CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG. - .. and finally a workaround for spurious PMU interrupts on Power9 DD2. Thanks to: Nicholas Piggin, Anton Blanchard, Balbir Singh" * tag 'powerpc-4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y powerpc/mm/hash: Refactor hash__mark_rodata_ro() powerpc/mm/radix: Refactor radix__mark_rodata_ro() powerpc/64s: Fix hypercall entry clobbering r12 input powerpc/perf: Avoid spurious PMU interrupts after idle powerpc/powernv: Fix boot on Power8 bare metal due to opal_configure_cores() 21 July 2017, 20:54:37 UTC
4ec9f7a Linus Torvalds 21 July 2017, 18:20:58 UTC Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingo Molnar: "Half of the fixes are for various build time warnings triggered by randconfig builds. Most (but not all...) were harmless. There's also: - ACPI boundary condition fixes - UV platform fixes - defconfig updates - an AMD K6 CPU init fix - a %pOF printk format related preparatory change - .. and a warning fix related to the tlb/PCID changes" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/devicetree: Convert to using %pOF instead of ->full_name x86/platform/uv/BAU: Disable BAU on single hub configurations x86/platform/intel-mid: Fix a format string overflow warning x86/platform: Add PCI dependency for PUNIT_ATOM_DEBUG x86/build: Silence the build with "make -s" x86/io: Add "memory" clobber to insb/insw/insl/outsb/outsw/outsl x86/fpu/math-emu: Avoid bogus -Wint-in-bool-context warning x86/fpu/math-emu: Fix possible uninitialized variable use perf/x86: Shut up false-positive -Wmaybe-uninitialized warning x86/defconfig: Remove stale, old Kconfig options x86/ioapic: Pass the correct data to unmask_ioapic_irq() x86/acpi: Prevent out of bound access caused by broken ACPI tables x86/mm, KVM: Fix warning when !CONFIG_PREEMPT_COUNT x86/platform/uv/BAU: Fix congested_response_us not taking effect x86/cpu: Use indirect call to measure performance in init_amd_k6() 21 July 2017, 18:20:58 UTC
e234b4a Linus Torvalds 21 July 2017, 18:18:09 UTC Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fix from Ingo Molnar: "A timer_irq_init() clocksource API robustness fix" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/drivers/timer-of: Handle of_irq_get_byname() result correctly 21 July 2017, 18:18:09 UTC
5a77f02 Linus Torvalds 21 July 2017, 18:16:12 UTC Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "A cputime fix and code comments/organization fix to the deadline scheduler" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/deadline: Fix confusing comments about selection of top pi-waiter sched/cputime: Don't use smp_processor_id() in preemptible context 21 July 2017, 18:16:12 UTC
bbcdea6 Linus Torvalds 21 July 2017, 18:12:48 UTC Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Two hw-enablement patches, two race fixes, three fixes for regressions of semantics, plus a number of tooling fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Add proper condition to run sched_task callbacks perf/core: Fix locking for children siblings group read perf/core: Fix scheduling regression of pinned groups perf/x86/intel: Fix debug_store reset field for freq events perf/x86/intel: Add Goldmont Plus CPU PMU support perf/x86/intel: Enable C-state residency events for Apollo Lake perf symbols: Accept zero as the kernel base address Revert "perf/core: Drop kernel samples even though :u is specified" perf annotate: Fix broken arrow at row 0 connecting jmp instruction to its target perf evsel: State in the default event name if attr.exclude_kernel is set perf evsel: Fix attr.exclude_kernel setting for default cycles:p 21 July 2017, 18:12:48 UTC
8b810a3 Linus Torvalds 21 July 2017, 18:11:23 UTC Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixlet from Ingo Molnar: "Remove an unnecessary priority adjustment in the rtmutex code" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rtmutex: Remove unnecessary priority adjustment 21 July 2017, 18:11:23 UTC
1ebf980 Trond Myklebust 20 July 2017, 21:00:02 UTC NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid() We must set fl->dsaddr once, and once only, even if there are multiple processes calling filelayout_check_deviceid() for the same layout segment. Reported-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> 21 July 2017, 18:08:45 UTC
34eddef Linus Torvalds 21 July 2017, 18:07:41 UTC Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Ingo Molnar: "A resume_irq() fix, plus a number of static declaration fixes" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/digicolor: Drop unnecessary static irqchip/mips-cpu: Drop unnecessary static irqchip/gic/realview: Drop unnecessary static irqchip/mips-gic: Remove population of irq domain names genirq/PM: Properly pretend disabled state when force resuming interrupts 21 July 2017, 18:07:41 UTC
0a6109f Linus Torvalds 21 July 2017, 17:41:19 UTC Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull core fixes from Ingo Molnar: "A fix to WARN_ON_ONCE() done by modules, plus a MAINTAINERS update" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: debug: Fix WARN_ON_ONCE() for modules MAINTAINERS: Update the PTRACE entry 21 July 2017, 17:41:19 UTC
cf60177 Dmitry Torokhov 13 July 2017, 00:14:24 UTC HID: usbhid: fix "always poll" quirk Even though the IO for devices with "always poll" quirk is already running, we still need to set HID_OPENED bit in usbhid->iofl so the interrupt handler does not ignore the data coming from the device. Reported-by: Olof Johansson <olof@lixom.net> Tested-by: Olof Johansson <olof@lixom.net> Fixes: e399396a6b0 ("HID: usbhid: remove custom locking from usbhid_open...") Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 21 July 2017, 16:14:03 UTC
ecbb903 Trond Myklebust 11 July 2017, 21:54:35 UTC NFS: Be more careful about mapping file permissions When mapping a directory, we want the MAY_WRITE permissions to reflect whether or not we have permission to modify, add and delete the directory entries. MAY_EXEC must map to lookup permissions. On the other hand, for files, we want MAY_WRITE to reflect a permission to modify and extend the file. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> 21 July 2017, 15:51:19 UTC
bd8b244 Trond Myklebust 11 July 2017, 21:54:34 UTC NFS: Store the raw NFS access mask in the inode's access cache Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> 21 July 2017, 15:51:19 UTC
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