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authorChris Mason <clm@fb.com>2014-12-02 18:42:03 -0800
committerChris Mason <clm@fb.com>2014-12-02 18:42:03 -0800
commit9627aeee3e203e30679549e4962633698a6bf87f (patch)
tree30ee313a7049bf3fcc17e346df5737e967fd9a95 /fs/btrfs/volumes.h
parentcb83b7b81698a4abe531e0ba18b9e288b06947ce (diff)
parent5d3edd8f44aac94de7b16f4c54290e24f5e8c532 (diff)
Merge branch 'raid56-scrub-replace' of git://github.com/miaoxie/linux-btrfs into for-linus
Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 637bcfadadb2..d6fe73c0f4a2 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -292,7 +292,7 @@ struct btrfs_bio_stripe {
struct btrfs_bio;
typedef void (btrfs_bio_end_io_t) (struct btrfs_bio *bio, int err);
-#define BTRFS_BIO_ORIG_BIO_SUBMITTED 0x1
+#define BTRFS_BIO_ORIG_BIO_SUBMITTED (1 << 0)
struct btrfs_bio {
atomic_t stripes_pending;
@@ -305,6 +305,8 @@ struct btrfs_bio {
int max_errors;
int num_stripes;
int mirror_num;
+ int num_tgtdevs;
+ int *tgtdev_map;
struct btrfs_bio_stripe stripes[];
};
@@ -387,12 +389,18 @@ struct btrfs_balance_control {
int btrfs_account_dev_extents_size(struct btrfs_device *device, u64 start,
u64 end, u64 *length);
-#define btrfs_bio_size(n) (sizeof(struct btrfs_bio) + \
- (sizeof(struct btrfs_bio_stripe) * (n)))
+#define btrfs_bio_size(total_stripes, real_stripes) \
+ (sizeof(struct btrfs_bio) + \
+ (sizeof(struct btrfs_bio_stripe) * (total_stripes)) + \
+ (sizeof(int) * (real_stripes)))
int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
u64 logical, u64 *length,
struct btrfs_bio **bbio_ret, int mirror_num);
+int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int rw,
+ u64 logical, u64 *length,
+ struct btrfs_bio **bbio_ret, int mirror_num,
+ u64 **raid_map_ret);
int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
u64 chunk_start, u64 physical, u64 devid,
u64 **logical, int *naddrs, int *stripe_len);