From: Greg Kroah-Hartman Date: Tue, 27 Sep 2022 11:56:03 +0000 (+0200) Subject: 5.19-stable patches X-Git-Tag: v4.9.330~2 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=bcfd1908ee5f8f649d66c5514cd975fc7590e5d6;p=thirdparty%2Fkernel%2Fstable-queue.git 5.19-stable patches added patches: ext4-make-directory-inode-spreading-reflect-flexbg-size.patch --- diff --git a/queue-5.19/ext4-make-directory-inode-spreading-reflect-flexbg-size.patch b/queue-5.19/ext4-make-directory-inode-spreading-reflect-flexbg-size.patch new file mode 100644 index 00000000000..a82e75c65b2 --- /dev/null +++ b/queue-5.19/ext4-make-directory-inode-spreading-reflect-flexbg-size.patch @@ -0,0 +1,39 @@ +From 613c5a85898d1cd44e68f28d65eccf64a8ace9cf Mon Sep 17 00:00:00 2001 +From: Jan Kara +Date: Thu, 8 Sep 2022 11:21:26 +0200 +Subject: ext4: make directory inode spreading reflect flexbg size + +From: Jan Kara + +commit 613c5a85898d1cd44e68f28d65eccf64a8ace9cf upstream. + +Currently the Orlov inode allocator searches for free inodes for a +directory only in flex block groups with at most inodes_per_group/16 +more directory inodes than average per flex block group. However with +growing size of flex block group this becomes unnecessarily strict. +Scale allowed difference from average directory count per flex block +group with flex block group size as we do with other metrics. + +Tested-by: Stefan Wahren +Tested-by: Ojaswin Mujoo +Cc: stable@kernel.org +Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/ +Signed-off-by: Jan Kara +Link: https://lore.kernel.org/r/20220908092136.11770-3-jack@suse.cz +Signed-off-by: Theodore Ts'o +Signed-off-by: Greg Kroah-Hartman +--- + fs/ext4/ialloc.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/fs/ext4/ialloc.c ++++ b/fs/ext4/ialloc.c +@@ -510,7 +510,7 @@ static int find_group_orlov(struct super + goto fallback; + } + +- max_dirs = ndirs / ngroups + inodes_per_group / 16; ++ max_dirs = ndirs / ngroups + inodes_per_group*flex_size / 16; + min_inodes = avefreei - inodes_per_group*flex_size / 4; + if (min_inodes < 1) + min_inodes = 1; diff --git a/queue-5.19/series b/queue-5.19/series index 2454f7feb62..35d82f1ed04 100644 --- a/queue-5.19/series +++ b/queue-5.19/series @@ -205,3 +205,4 @@ ext4-use-locality-group-preallocation-for-small-closed-files.patch ext4-use-buckets-for-cr-1-block-scan-instead-of-rbtree.patch revert-block-freeze-the-queue-earlier-in-del_gendisk.patch ext4-fixup-possible-uninitialized-variable-access-in-ext4_mb_choose_next_group_cr1.patch +ext4-make-directory-inode-spreading-reflect-flexbg-size.patch