diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2023-09-14 19:06:58 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 17:44:09 +0300 |
| commit | 02c372e1f016e5113217597ab37b399c4e407477 (patch) | |
| tree | 2d0ae758389fa49c49b19a004ef8cf65fcba2415 /fs/btrfs/volumes.h | |
| parent | 515020900d447796bc2f0f57064663617a11b65d (diff) | |
| download | linux-02c372e1f016e5113217597ab37b399c4e407477.tar.xz | |
btrfs: add support for inserting raid stripe extents
Add support for inserting stripe extents into the raid stripe tree on
completion of every write that needs an extra logical-to-physical
translation when using RAID.
Inserting the stripe extents happens after the data I/O has completed,
this is done to
a) support zone-append and
b) rule out the possibility of a RAID-write-hole.
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 0704c64cea1d..000c56a3d2a2 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -390,12 +390,11 @@ struct btrfs_fs_devices { struct btrfs_io_stripe { struct btrfs_device *dev; - union { - /* Block mapping */ - u64 physical; - /* For the endio handler */ - struct btrfs_io_context *bioc; - }; + /* Block mapping. */ + u64 physical; + u64 length; + /* For the endio handler. */ + struct btrfs_io_context *bioc; }; struct btrfs_discard_stripe { @@ -428,6 +427,11 @@ struct btrfs_io_context { atomic_t error; u16 max_errors; + u64 logical; + u64 size; + /* Raid stripe tree ordered entry. */ + struct list_head rst_ordered_entry; + /* * The total number of stripes, including the extra duplicated * stripe for replace. |