This is a note to let you know that I've just added the patch titled f2fs: code cleanup for f2fs_statfs_project() to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: f2fs-code-cleanup-for-f2fs_statfs_project.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From bf2cbd3c57159c2b639ee8797b52ab5af180bf83 Mon Sep 17 00:00:00 2001 From: Chengguang Xu <cgxu519@xxxxxxxxxxxx> Date: Sat, 4 Jan 2020 22:20:04 +0800 Subject: f2fs: code cleanup for f2fs_statfs_project() From: Chengguang Xu <cgxu519@xxxxxxxxxxxx> commit bf2cbd3c57159c2b639ee8797b52ab5af180bf83 upstream. Calling min_not_zero() to simplify complicated prjquota limit comparison in f2fs_statfs_project(). Signed-off-by: Chengguang Xu <cgxu519@xxxxxxxxxxxx> Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/f2fs/super.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1148,12 +1148,8 @@ static int f2fs_statfs_project(struct su return PTR_ERR(dquot); spin_lock(&dquot->dq_dqb_lock); - limit = 0; - if (dquot->dq_dqb.dqb_bsoftlimit) - limit = dquot->dq_dqb.dqb_bsoftlimit; - if (dquot->dq_dqb.dqb_bhardlimit && - (!limit || dquot->dq_dqb.dqb_bhardlimit < limit)) - limit = dquot->dq_dqb.dqb_bhardlimit; + limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit, + dquot->dq_dqb.dqb_bhardlimit); if (limit) limit >>= sb->s_blocksize_bits; @@ -1165,12 +1161,8 @@ static int f2fs_statfs_project(struct su (buf->f_blocks - curblock) : 0; } - limit = 0; - if (dquot->dq_dqb.dqb_isoftlimit) - limit = dquot->dq_dqb.dqb_isoftlimit; - if (dquot->dq_dqb.dqb_ihardlimit && - (!limit || dquot->dq_dqb.dqb_ihardlimit < limit)) - limit = dquot->dq_dqb.dqb_ihardlimit; + limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit, + dquot->dq_dqb.dqb_ihardlimit); if (limit && buf->f_files > limit) { buf->f_files = limit; Patches currently in stable-queue which might be from cgxu519@xxxxxxxxxxxx are queue-4.19/f2fs-code-cleanup-for-f2fs_statfs_project.patch queue-4.19/f2fs-choose-hardlimit-when-softlimit-is-larger-than-hardlimit-in-f2fs_statfs_project.patch queue-4.19/f2fs-fix-miscounted-block-limit-in-f2fs_statfs_project.patch