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| author | Chris Mason <chris.mason@oracle.com> | 2008-04-09 22:28:12 +0200 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 17:04:01 +0200 |
| commit | f188591e987e21b6f7f8864c66a02858b95b530e (patch) | |
| tree | 996f04b7c8d1e8a626b123e7a2a217992d705c60 /fs/btrfs/volumes.h | |
| parent | Btrfs: Handle data block end_io through the async work queue (diff) | |
| download | linux-f188591e987e21b6f7f8864c66a02858b95b530e.tar.xz linux-f188591e987e21b6f7f8864c66a02858b95b530e.zip | |
Btrfs: Retry metadata reads in the face of checksum failures
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/volumes.h')
| -rw-r--r-- | fs/btrfs/volumes.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 10ca0104750c..3d5d0a9cb827 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -93,7 +93,7 @@ int btrfs_alloc_dev_extent(struct btrfs_trans_handle *trans, u64 owner, u64 num_bytes, u64 *start); int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw, u64 logical, u64 *length, - struct btrfs_multi_bio **multi_ret); + struct btrfs_multi_bio **multi_ret, int mirror_num); int btrfs_read_sys_array(struct btrfs_root *root); int btrfs_read_chunk_tree(struct btrfs_root *root); int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, @@ -101,7 +101,8 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans, u64 *num_bytes, u64 type); void btrfs_mapping_init(struct btrfs_mapping_tree *tree); void btrfs_mapping_tree_free(struct btrfs_mapping_tree *tree); -int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio); +int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio, + int mirror_num); int btrfs_read_super_device(struct btrfs_root *root, struct extent_buffer *buf); int btrfs_open_devices(struct btrfs_fs_devices *fs_devices, int flags, void *holder); @@ -112,4 +113,5 @@ int btrfs_add_device(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_device *device); int btrfs_cleanup_fs_uuids(void); +int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len); #endif |