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| author | Evgeniy Polyakov <zbr@ioremap.net> | 2009-03-27 13:04:24 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-04-17 20:06:30 +0200 |
| commit | cee9bb2ebdc1697f9be7ee5bdd6867daaa712179 (patch) | |
| tree | 370cc93935bf1ed377d2e696d3c297e399d9246d | |
| parent | Staging: Pohmelfs: Extend remount option. (diff) | |
| download | linux-cee9bb2ebdc1697f9be7ee5bdd6867daaa712179.tar.xz linux-cee9bb2ebdc1697f9be7ee5bdd6867daaa712179.zip | |
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>
| -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 3fef09fd712c..af99f6620b7e 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, }; /* |