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author | Qu Wenruo <wqu@suse.com> | 2022-06-17 12:04:06 +0200 |
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committer | David Sterba <dsterba@suse.com> | 2022-07-25 17:45:39 +0200 |
commit | 462b0b2a86c4d5a902812a449f99722e65c6cc66 (patch) | |
tree | 6ba097aacb6207ad8fad127ea661e82849c3d892 /fs/nfsd/nfs3xdr.c | |
parent | ff18a4afebdd9b4441983a777b88095250e9de1d (diff) | |
download | linux-462b0b2a86c4d5a902812a449f99722e65c6cc66.tar.gz |
btrfs: return proper mapped length for RAID56 profiles in __btrfs_map_block()
For profiles other than RAID56, __btrfs_map_block() returns @map_length as min(stripe_end, logical + *length), which is also the same result from btrfs_get_io_geometry(). But for RAID56, __btrfs_map_block() returns @map_length as stripe_len. This strange behavior is going to hurt incoming bio split at btrfs_map_bio() time, as we will use @map_length as bio split size. Fix this behavior by returning @map_length by the same calculation as for other profiles. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Tested-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/nfsd/nfs3xdr.c')
0 files changed, 0 insertions, 0 deletions