Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.17 049/772] btrfs: zoned: fix comparison of alloc_offset vs meta_write_pointer | Date | Tue, 7 Jun 2022 18:54:01 +0200 |
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From: Naohiro Aota <naohiro.aota@wdc.com>
commit aa9ffadfcae33e611d8c2d476bcc2aa0d273b587 upstream.
The block_group->alloc_offset is an offset from the start of the block group. OTOH, the ->meta_write_pointer is an address in the logical space. So, we should compare the alloc_offset shifted with the block_group->start.
Fixes: afba2bc036b0 ("btrfs: zoned: implement active zone tracking") CC: stable@vger.kernel.org # 5.16+ Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- fs/btrfs/zoned.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -1863,7 +1863,7 @@ int btrfs_zone_finish(struct btrfs_block /* Check if we have unwritten allocated space */ if ((block_group->flags & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM)) && - block_group->alloc_offset > block_group->meta_write_pointer) { + block_group->start + block_group->alloc_offset > block_group->meta_write_pointer) { spin_unlock(&block_group->lock); return -EAGAIN; }
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