f2fs: avoid unnecessary updating inode during fsync
If roll-forward recovery can recover i_size, we don't need to update inode's
metadata during fsync.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index a3dea51..287582e 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1204,6 +1204,7 @@
loff_t i_size = i_size_read(inode);
const pgoff_t end_index = ((unsigned long long) i_size)
>> PAGE_SHIFT;
+ loff_t psize = (page->index + 1) << PAGE_SHIFT;
unsigned offset = 0;
bool need_balance_fs = false;
int err = 0;
@@ -1265,6 +1266,8 @@
err = f2fs_write_inline_data(inode, page);
if (err == -EAGAIN)
err = do_write_data_page(&fio);
+ if (F2FS_I(inode)->last_disk_size < psize)
+ F2FS_I(inode)->last_disk_size = psize;
f2fs_unlock_op(sbi);
done:
if (err && err != -ENOENT)