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Commit c5cd29d2 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: no need to lock for update_inode_page all the time 



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: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 25b93346

fs/f2fs/inode.c

+2 −6
Original line number Diff line number Diff line
@@ -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);



	return 0;

}