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 ...
memory-notifier-error-inject.c
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/memory.h>
#include "notifier-error-inject.h"
static int priority;
module_param(priority, int, 0);
MODULE_PARM_DESC(priority, "specify memory notifier priority");
static struct notifier_err_inject memory_notifier_err_inject = {
.actions = {
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_ONLINE) },
{ NOTIFIER_ERR_INJECT_ACTION(MEM_GOING_OFFLINE) },
{}
}
};
static struct dentry *dir;
static int err_inject_init(void)
{
int err;
dir = notifier_err_inject_init("memory", notifier_err_inject_dir,
&memory_notifier_err_inject, priority);
if (IS_ERR(dir))
return PTR_ERR(dir);
err = register_memory_notifier(&memory_notifier_err_inject.nb);
if (err)
debugfs_remove_recursive(dir);
return err;
}
static void err_inject_exit(void)
{
unregister_memory_notifier(&memory_notifier_err_inject.nb);
debugfs_remove_recursive(dir);
}
module_init(err_inject_init);
module_exit(err_inject_exit);
MODULE_DESCRIPTION("memory notifier error injection module");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Akinobu Mita <akinobu.mita@gmail.com>");
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