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f2fs: no need to lock for update_inode_page all the time

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As comment says, we don't need to call f2fs_lock_op in write_inode to prevent
from producing dirty node pages all the time.
That happens only when there is not enough free sections and we can avoid that
by calling balance_fs in prior to that.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-09-12 11:25:30 -07:00
parent 25b93346a6
commit c5cd29d21c
1 changed files with 2 additions and 6 deletions
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8
fs/f2fs/inode.c
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@ -296,16 +296,12 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
return 0;
/*
* We need to lock here to prevent from producing dirty node pages
* We need to balance fs here to prevent from producing dirty node pages
* during the urgent cleaning time when runing out of free sections.
*/
f2fs_lock_op(sbi);
update_inode_page(inode);
f2fs_unlock_op(sbi);
if (wbc)
f2fs_balance_fs(sbi);
f2fs_balance_fs(sbi);
return 0;
}