f2fs: recover wrong pino after checkpoint during fsync
If a file is linked, f2fs loose its parent inode number so that fsync calls
for the linked file should do checkpoint all the time.
But, if we can recover its parent inode number after the checkpoint, we can
adjust roll-forward mechanism for the further fsync calls, which is able to
improve the fsync performance significatly.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 69ca049..4f21452 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -356,7 +356,7 @@
* We lost i_pino from now on.
*/
if (is_inode_flag_set(F2FS_I(inode), FI_INC_LINK)) {
- set_cp_file(inode);
+ file_lost_pino(inode);
inc_nlink(inode);
}
return page;