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Subject[PATCH 06/10] f2fs: do not skip latest inode information
Date
In f2fs_sync_file, if there is no written appended writes, it skips
to write its node blocks.
But, if there is up-to-date inode page, we should write it to update
its metadata during the roll-forward recovery.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/file.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index c814cd2..fb96256 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -169,12 +169,21 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
*/
if (!is_inode_flag_set(fi, FI_APPEND_WRITE) &&
!exist_written_data(sbi, ino, APPEND_INO)) {
+ struct page *i = find_get_page(NODE_MAPPING(sbi), ino);
+
+ /* But we need to avoid that there are some inode updates */
+ if ((i && PageDirty(i)) || !fsync_mark_done(sbi, ino)) {
+ f2fs_put_page(i, 0);
+ goto go_write;
+ }
+ f2fs_put_page(i, 0);
+
if (is_inode_flag_set(fi, FI_UPDATE_WRITE) ||
exist_written_data(sbi, ino, UPDATE_INO))
goto flush_out;
goto out;
}
-
+go_write:
/* guarantee free sections for fsync */
f2fs_balance_fs(sbi);

--
1.8.5.2 (Apple Git-48)


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