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authorStefan Behrens <sbehrens@giantdisaster.de>2012-11-05 17:33:06 +0100
committerJosef Bacik <jbacik@fusionio.com>2012-12-12 17:15:41 -0500
commite93c89c1aaaaaec3487c4c18dd02360371790722 (patch)
tree359c310c736d0db5cfd724c628fdb9f2f680a3d3 /fs/btrfs/volumes.h
parentff023aac31198e88507d626825379b28ea481d4d (diff)
downloadlwn-e93c89c1aaaaaec3487c4c18dd02360371790722.tar.gz
lwn-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/volumes.h')
-rw-r--r--fs/btrfs/volumes.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 8fd5a4d8acc8..58d79375deaf 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -286,6 +286,8 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid,
u8 *uuid, u8 *fsid);
int btrfs_shrink_device(struct btrfs_device *device, u64 new_size);
int btrfs_init_new_device(struct btrfs_root *root, char *path);
+int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path,
+ struct btrfs_device **device_out);
int btrfs_balance(struct btrfs_balance_control *bctl,
struct btrfs_ioctl_balance_args *bargs);
int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info);
@@ -302,6 +304,12 @@ int btrfs_get_dev_stats(struct btrfs_root *root,
int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info);
int btrfs_run_dev_stats(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
+void btrfs_rm_dev_replace_srcdev(struct btrfs_fs_info *fs_info,
+ struct btrfs_device *srcdev);
+void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
+ struct btrfs_device *tgtdev);
+void btrfs_init_dev_replace_tgtdev_for_resume(struct btrfs_fs_info *fs_info,
+ struct btrfs_device *tgtdev);
int btrfs_scratch_superblock(struct btrfs_device *device);
static inline void btrfs_dev_stat_inc(struct btrfs_device *dev,