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btrfs: Remove fs_info from btrfs_destroy_dev_replace_tgtdev 

This function is always passed a well-formed tgtdevice so the fs_info
can be referenced from there.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
hifive-unleashed-5.1
Nikolay Borisov 2018-07-20 19:37:51 +03:00 committed by David Sterba
parent d6507cf1e2
commit 4f5ad7bd63
3 changed files with 6 additions and 8 deletions
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6
fs/btrfs/dev-replace.c
View File

@ -506,7 +506,7 @@ leave:
dev_replace->srcdev = NULL;
dev_replace->tgtdev = NULL;
btrfs_dev_replace_write_unlock(dev_replace);
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
btrfs_destroy_dev_replace_tgtdev(tgt_device);
return ret;
}
@ -632,7 +632,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
mutex_unlock(&fs_info->fs_devices->device_list_mutex);
btrfs_rm_dev_replace_blocked(fs_info);
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
btrfs_destroy_dev_replace_tgtdev(tgt_device);
btrfs_rm_dev_replace_unblocked(fs_info);
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
@ -821,7 +821,7 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
btrfs_dev_name(tgt_device));
if (tgt_device)
btrfs_destroy_dev_replace_tgtdev(fs_info, tgt_device);
btrfs_destroy_dev_replace_tgtdev(tgt_device);
leave:
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);

5
fs/btrfs/volumes.c
View File

@ -2063,10 +2063,9 @@ void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,
}
}
void btrfs_destroy_dev_replace_tgtdev(struct btrfs_fs_info *fs_info,
struct btrfs_device *tgtdev)
void btrfs_destroy_dev_replace_tgtdev(struct btrfs_device *tgtdev)
{
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
struct btrfs_fs_devices *fs_devices = tgtdev->fs_info->fs_devices;
WARN_ON(!tgtdev);
mutex_lock(&fs_devices->device_list_mutex);

3
fs/btrfs/volumes.h
View File

@ -455,8 +455,7 @@ int btrfs_run_dev_stats(struct btrfs_trans_handle *trans,
void btrfs_rm_dev_replace_remove_srcdev(struct btrfs_device *srcdev);
void btrfs_rm_dev_replace_free_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_destroy_dev_replace_tgtdev(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);