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btrfs: constify device path passed to relevant helpers

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2017-02-14 17:55:53 +01:00
parent 0b581701d9
commit da353f6b30
4 changed files with 22 additions and 18 deletions
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12
fs/btrfs/volumes.h
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@@ -422,16 +422,16 @@ void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step);
void btrfs_assign_next_active_device(struct btrfs_fs_info *fs_info,
struct btrfs_device *device, struct btrfs_device *this_dev);
int btrfs_find_device_missing_or_by_path(struct btrfs_fs_info *fs_info,
char *device_path,
const char *device_path,
struct btrfs_device **device);
int btrfs_find_device_by_devspec(struct btrfs_fs_info *fs_info, u64 devid,
char *devpath,
const char *devpath,
struct btrfs_device **device);
struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
const u64 *devid,
const u8 *uuid);
int btrfs_rm_device(struct btrfs_fs_info *fs_info,
char *device_path, u64 devid);
const char *device_path, u64 devid);
void btrfs_cleanup_fs_uuids(void);
int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len);
int btrfs_grow_device(struct btrfs_trans_handle *trans,
@@ -439,9 +439,9 @@ int btrfs_grow_device(struct btrfs_trans_handle *trans,
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_fs_info *fs_info, char *path);
int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *path);
int btrfs_init_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
char *device_path,
const char *device_path,
struct btrfs_device *srcdev,
struct btrfs_device **device_out);
int btrfs_balance(struct btrfs_balance_control *bctl,
@@ -474,7 +474,7 @@ 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);
void btrfs_scratch_superblocks(struct block_device *bdev, char *device_path);
void btrfs_scratch_superblocks(struct block_device *bdev, const char *device_path);
int btrfs_is_parity_mirror(struct btrfs_mapping_tree *map_tree,
u64 logical, u64 len, int mirror_num);
unsigned long btrfs_full_stripe_len(struct btrfs_fs_info *fs_info,