diff options
| -rw-r--r-- | 5.10.1-reverts.patch | 84 | ||||
| -rw-r--r-- | kernel.spec | 2 |
2 files changed, 86 insertions, 0 deletions
diff --git a/5.10.1-reverts.patch b/5.10.1-reverts.patch new file mode 100644 index 000000000..9527492ec --- /dev/null +++ b/5.10.1-reverts.patch @@ -0,0 +1,84 @@ +From 76f58e00133501dff1bd0c0f05d786e8fb01fcc8 Mon Sep 17 00:00:00 2001 +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Date: Mon, 14 Dec 2020 17:48:11 +0100 +Subject: Revert "md: change mddev 'chunk_sectors' from int to unsigned" + +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> + +This reverts commit 6ffeb1c3f8226244c08105bcdbeecc04bad6b89a. + +It causes problems :( + +Reported-by: Dave Jones <davej@codemonkey.org.uk> +Reported-by: Mike Snitzer <snitzer@redhat.com> +Cc: Song Liu <songliubraving@fb.com> +Cc: Jens Axboe <axboe@kernel.dk> +Cc: Linus Torvalds <torvalds@linux-foundation.org +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/md/md.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/md/md.h ++++ b/drivers/md/md.h +@@ -311,7 +311,7 @@ struct mddev { + int external; /* metadata is + * managed externally */ + char metadata_type[17]; /* externally set*/ +- unsigned int chunk_sectors; ++ int chunk_sectors; + time64_t ctime, utime; + int level, layout; + char clevel[16]; +@@ -339,7 +339,7 @@ struct mddev { + */ + sector_t reshape_position; + int delta_disks, new_level, new_layout; +- unsigned int new_chunk_sectors; ++ int new_chunk_sectors; + int reshape_backwards; + + struct md_thread *thread; /* management thread */ +From ee1b46545ebbe1572ddddf70f4abe04070669bd0 Mon Sep 17 00:00:00 2001 +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +Date: Mon, 14 Dec 2020 17:51:18 +0100 +Subject: Revert "dm raid: fix discard limits for raid1 and raid10" + +From: Greg Kroah-Hartman <gregkh@linuxfoundation.org> + +This reverts commit e0910c8e4f87bb9f767e61a778b0d9271c4dc512. + +It causes problems :( + +Reported-by: Dave Jones <davej@codemonkey.org.uk> +Reported-by: Mike Snitzer <snitzer@redhat.com> +Cc: Zdenek Kabelac <zkabelac@redhat.com> +Cc: Mikulas Patocka <mpatocka@redhat.com> +Cc: Linus Torvalds <torvalds@linux-foundation.org +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/md/dm-raid.c | 12 +++++------- + 1 file changed, 5 insertions(+), 7 deletions(-) + +--- a/drivers/md/dm-raid.c ++++ b/drivers/md/dm-raid.c +@@ -3730,14 +3730,12 @@ static void raid_io_hints(struct dm_targ + blk_limits_io_opt(limits, chunk_size_bytes * mddev_data_stripes(rs)); + + /* +- * RAID10 personality requires bio splitting, +- * RAID0/1/4/5/6 don't and process large discard bios properly. ++ * RAID1 and RAID10 personalities require bio splitting, ++ * RAID0/4/5/6 don't and process large discard bios properly. + */ +- if (rs_is_raid10(rs)) { +- limits->discard_granularity = max(chunk_size_bytes, +- limits->discard_granularity); +- limits->max_discard_sectors = min_not_zero(rs->md.chunk_sectors, +- limits->max_discard_sectors); ++ if (rs_is_raid1(rs) || rs_is_raid10(rs)) { ++ limits->discard_granularity = chunk_size_bytes; ++ limits->max_discard_sectors = rs->md.chunk_sectors; + } + } + diff --git a/kernel.spec b/kernel.spec index 781af3c66..bd5034a23 100644 --- a/kernel.spec +++ b/kernel.spec @@ -742,6 +742,7 @@ Source4000: README.rst %if !%{nopatches} Patch1: patch-%{rpmversion}-redhat.patch +Patch2: 5.10.1-reverts.patch %endif # empty final patch to facilitate testing of kernel patches @@ -1245,6 +1246,7 @@ cd linux-%{KVERREL} %if !%{nopatches} ApplyOptionalPatch patch-%{rpmversion}-redhat.patch +ApplyOptionalPatch 5.10.1-reverts.patch %endif ApplyOptionalPatch linux-kernel-test.patch |