From: Jaegeuk Kim Date: Fri, 1 May 2015 18:08:59 +0000 (-0700) Subject: f2fs: revmove spin_lock for write_orphan_inodes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d6c67a4fee86;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git f2fs: revmove spin_lock for write_orphan_inodes This patch removes spin_lock, since this is covered by f2fs_lock_op already. And, we should avoid to use page operations inside spin_lock. Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 6dbff2b0bcd8..d076e7efb25d 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -514,7 +514,12 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) grab_meta_page(sbi, start_blk + index); index = 1; - spin_lock(&im->ino_lock); + + /* + * we don't need to do spin_lock(&im->ino_lock) here, since all the + * orphan inode operations are covered under f2fs_lock_op(). + * And, spin_lock should be avoided due to page operations below. + */ head = &im->ino_list; /* loop for each orphan inode entry and write them in Jornal block */ @@ -554,8 +559,6 @@ static void write_orphan_inodes(struct f2fs_sb_info *sbi, block_t start_blk) set_page_dirty(page); f2fs_put_page(page, 1); } - - spin_unlock(&im->ino_lock); } static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,