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btrfs: get fs_info from device in btrfs_rm_dev_replace_free_srcdev 

We can read fs_info from the device and can drop it from the parameters.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-20 16:34:54 +01:00
parent 163e97ee0d
commit 65237ee3b6
3 changed files with 4 additions and 5 deletions
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2
fs/btrfs/dev-replace.c
View File

@ -696,7 +696,7 @@ static int btrfs_dev_replace_finishing(struct btrfs_fs_info *fs_info,
/* replace the sysfs entry */
btrfs_sysfs_rm_device_link(fs_info->fs_devices, src_device);
btrfs_rm_dev_replace_free_srcdev(fs_info, src_device);
btrfs_rm_dev_replace_free_srcdev(src_device);
/* write back the superblocks */
trans = btrfs_start_transaction(root, 0);

4
fs/btrfs/volumes.c
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@ -2258,9 +2258,9 @@ void btrfs_rm_dev_replace_remove_srcdev(struct btrfs_device *srcdev)
fs_devices->open_devices--;
}
void btrfs_rm_dev_replace_free_srcdev(struct btrfs_fs_info *fs_info,
struct btrfs_device *srcdev)
void btrfs_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev)
{
struct btrfs_fs_info *fs_info = srcdev->fs_info;
struct btrfs_fs_devices *fs_devices = srcdev->fs_devices;
if (test_bit(BTRFS_DEV_STATE_WRITEABLE, &srcdev->dev_state)) {

3
fs/btrfs/volumes.h
View File

@ -464,8 +464,7 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info);
int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info);
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_rm_dev_replace_free_srcdev(struct btrfs_device *srcdev);
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,