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| author | Stefan Behrens <sbehrens@giantdisaster.de> | 2012-11-05 17:33:06 +0100 |
|---|---|---|
| committer | Josef Bacik <jbacik@fusionio.com> | 2012-12-12 17:15:41 -0500 |
| commit | e93c89c1aaaaaec3487c4c18dd02360371790722 (patch) | |
| tree | 359c310c736d0db5cfd724c628fdb9f2f680a3d3 /fs/btrfs/dev-replace.h | |
| parent | ff023aac31198e88507d626825379b28ea481d4d (diff) | |
| download | blackbird-op-linux-e93c89c1aaaaaec3487c4c18dd02360371790722.tar.gz blackbird-op-linux-e93c89c1aaaaaec3487c4c18dd02360371790722.zip | |
Btrfs: add new sources for device replace code
This adds a new file to the sources together with the header file
and the changes to ioctl.h and ctree.h that are required by the
new C source file. Additionally, 4 new functions are added to
volume.c that deal with device creation and destruction.
Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs/dev-replace.h')
| -rw-r--r-- | fs/btrfs/dev-replace.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/btrfs/dev-replace.h b/fs/btrfs/dev-replace.h index 1fb5c89037ee..20035cbbf021 100644 --- a/fs/btrfs/dev-replace.h +++ b/fs/btrfs/dev-replace.h @@ -19,6 +19,24 @@ #if !defined(__BTRFS_DEV_REPLACE__) #define __BTRFS_DEV_REPLACE__ +struct btrfs_ioctl_dev_replace_args; + +int btrfs_init_dev_replace(struct btrfs_fs_info *fs_info); +int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, + struct btrfs_fs_info *fs_info); +void btrfs_after_dev_replace_commit(struct btrfs_fs_info *fs_info); +int btrfs_dev_replace_start(struct btrfs_root *root, + struct btrfs_ioctl_dev_replace_args *args); +void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, + struct btrfs_ioctl_dev_replace_args *args); +int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info, + struct btrfs_ioctl_dev_replace_args *args); +void btrfs_dev_replace_suspend_for_unmount(struct btrfs_fs_info *fs_info); +int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info); +int btrfs_dev_replace_is_ongoing(struct btrfs_dev_replace *dev_replace); +void btrfs_dev_replace_lock(struct btrfs_dev_replace *dev_replace); +void btrfs_dev_replace_unlock(struct btrfs_dev_replace *dev_replace); + static inline void btrfs_dev_replace_stats_inc(atomic64_t *stat_value) { atomic64_inc(stat_value); |
