Revision 05c2cf35c3db2c70c3c1a38b9cbfdecedcdc338d authored by Linus Torvalds on 22 January 2013, 18:33:17 UTC, committed by Linus Torvalds on 22 January 2013, 18:33:17 UTC
Pull f2fs fixes from Jaegeuk Kim: o Support swap file and link generic_file_remap_pages o Enhance the bio streaming flow and free section control o Major bug fix on recovery routine o Minor bug/warning fixes and code cleanups * tag 'f2fs-for-3.8-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (22 commits) f2fs: use _safe() version of list_for_each f2fs: add comments of start_bidx_of_node f2fs: avoid issuing small bios due to several dirty node pages f2fs: support swapfile f2fs: add remap_pages as generic_file_remap_pages f2fs: add __init to functions in init_f2fs_fs f2fs: fix the debugfs entry creation path f2fs: add global mutex_lock to protect f2fs_stat_list f2fs: remove the blk_plug usage in f2fs_write_data_pages f2fs: avoid redundant time update for parent directory in f2fs_delete_entry f2fs: remove redundant call to set_blocksize in f2fs_fill_super f2fs: move f2fs_balance_fs to punch_hole f2fs: add f2fs_balance_fs in several interfaces f2fs: revisit the f2fs_gc flow f2fs: check return value during recovery f2fs: avoid null dereference in f2fs_acl_from_disk f2fs: initialize newly allocated dnode structure f2fs: update f2fs partition info about SIT/NAT layout f2fs: update f2fs document to reflect SIT/NAT layout correctly f2fs: remove unneeded INIT_LIST_HEAD at few places ...
bust_spinlocks.c
/*
* lib/bust_spinlocks.c
*
* Provides a minimal bust_spinlocks for architectures which don't have one of their own.
*
* bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
* and panic() information from reaching the user.
*/
#include <linux/kernel.h>
#include <linux/spinlock.h>
#include <linux/tty.h>
#include <linux/wait.h>
#include <linux/vt_kern.h>
#include <linux/console.h>
void __attribute__((weak)) bust_spinlocks(int yes)
{
if (yes) {
++oops_in_progress;
} else {
#ifdef CONFIG_VT
unblank_screen();
#endif
console_unblank();
if (--oops_in_progress == 0)
wake_up_klogd();
}
}
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