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Diffstat (limited to 'fs/btrfs/volumes.h')
-rw-r--r--fs/btrfs/volumes.h19
1 files changed, 14 insertions, 5 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index c7d0fbc915ca..6108fdfec67f 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -74,6 +74,8 @@ struct btrfs_device {
int missing;
int can_discard;
int is_tgtdev_for_dev_replace;
+ blk_status_t last_flush_error;
+ int flush_bio_sent;
#ifdef __BTRFS_NEED_DEVICE_DATA_ORDERED
seqcount_t data_seqcount;
@@ -279,6 +281,11 @@ struct btrfs_io_bio {
u8 csum_inline[BTRFS_BIO_INLINE_CSUM_SIZE];
u8 *csum_allocated;
btrfs_io_bio_end_io_t *end_io;
+ struct bvec_iter iter;
+ /*
+ * This member must come last, bio_alloc_bioset will allocate enough
+ * bytes for entire btrfs_io_bio but relies on bio being last.
+ */
struct bio bio;
};
@@ -346,7 +353,6 @@ struct map_lookup {
int io_align;
int io_width;
u64 stripe_len;
- int sector_size;
int num_stripes;
int sub_stripes;
struct btrfs_bio_stripe stripes[];
@@ -409,8 +415,8 @@ int btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info, 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_fs_info *fs_info, struct bio *bio,
- int mirror_num, int async_submit);
+blk_status_t btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio,
+ int mirror_num, int async_submit);
int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
fmode_t flags, void *holder);
int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
@@ -474,9 +480,8 @@ void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info,
struct btrfs_device *tgtdev);
void btrfs_scratch_superblocks(struct block_device *bdev, const char *device_path);
int btrfs_is_parity_mirror(struct btrfs_fs_info *fs_info,
- u64 logical, u64 len, int mirror_num);
+ u64 logical, u64 len);
unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,
- struct btrfs_mapping_tree *map_tree,
u64 logical);
int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
@@ -536,4 +541,8 @@ struct list_head *btrfs_get_fs_uuids(void);
void btrfs_set_fs_info_ptr(struct btrfs_fs_info *fs_info);
void btrfs_reset_fs_info_ptr(struct btrfs_fs_info *fs_info);
+bool btrfs_check_rw_degradable(struct btrfs_fs_info *fs_info);
+void btrfs_report_missing_device(struct btrfs_fs_info *fs_info, u64 devid,
+ u8 *uuid);
+
#endif