diff options
| author | Evgeniy Polyakov <zbr@ioremap.net> | 2009-03-27 15:04:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-04-17 11:06:30 -0700 |
| commit | cee9bb2ebdc1697f9be7ee5bdd6867daaa712179 (patch) | |
| tree | 370cc93935bf1ed377d2e696d3c297e399d9246d /drivers/staging | |
| parent | e504342448375ffd73dec2b540a5aaf5da6f8439 (diff) | |
Staging: Pohmelfs: Sync fs before killing it, since dentry cache is shrunk before writeback is invoked via generic_shutdown_super()
Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/pohmelfs/inode.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 3fef09fd712..af99f6620b7 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -1908,11 +1908,29 @@ static int pohmelfs_get_sb(struct file_system_type *fs_type, mnt); } +/* + * We need this to sync all inodes earlier, since when writeback + * is invoked from the umount/mntput path dcache is already shrunk, + * see generic_shutdown_super(), and no inodes can access the path. + */ +static void pohmelfs_kill_super(struct super_block *sb) +{ + struct writeback_control wbc = { + .sync_mode = WB_SYNC_ALL, + .range_start = 0, + .range_end = LLONG_MAX, + .nr_to_write = LONG_MAX, + }; + generic_sync_sb_inodes(sb, &wbc); + + kill_anon_super(sb); +} + static struct file_system_type pohmel_fs_type = { .owner = THIS_MODULE, .name = "pohmel", .get_sb = pohmelfs_get_sb, - .kill_sb = kill_anon_super, + .kill_sb = pohmelfs_kill_super, }; /* |