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| author | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-11-29 12:47:41 +1100 |
| commit | cf40a76e7d5874bb25f4404eecc58a2e033af885 (patch) | |
| tree | 8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /fs/btrfs/disk-io.h | |
| parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'fs/btrfs/disk-io.h')
| -rw-r--r-- | fs/btrfs/disk-io.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index 0a634d3ffc16..7f7c35d6347a 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -25,6 +25,14 @@ #define BTRFS_SUPER_MIRROR_MAX 3 #define BTRFS_SUPER_MIRROR_SHIFT 12 +/* + * Fixed blocksize for all devices, applies to specific ways of reading + * metadata like superblock. Must meet the set_blocksize requirements. + * + * Do not change. + */ +#define BTRFS_BDEV_BLOCKSIZE (4096) + enum btrfs_wq_endio_type { BTRFS_WQ_ENDIO_DATA = 0, BTRFS_WQ_ENDIO_METADATA = 1, @@ -142,8 +150,6 @@ struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, int btree_lock_page_hook(struct page *page, void *data, void (*flush_fn)(void *)); int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags); -int btrfs_calc_num_tolerated_disk_barrier_failures( - struct btrfs_fs_info *fs_info); int __init btrfs_end_io_wq_init(void); void btrfs_end_io_wq_exit(void); |