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btrfs: Drop unused function btrfs_abort_devices() 

1) This function is not used anywhere.

2) Using the blk_abort_queue() to abort the queue seems not correct.
blk_abort_queue() is used for timeout handling (block/blk-timeout.c).

Cc: Chris Mason <chris.mason@oracle.com>
Cc: linux-btrfs@vger.kernel.org
Cc: Jens Axboe <axboe@kernel.dk>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Asias He <asias@redhat.com>
This commit is contained in:
Asias He 2012-05-25 11:10:21 +08:00 committed by Josef Bacik
parent 762f226326
commit d07eb91170
2 changed files with 0 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
fs/btrfs/disk-io.c
View File

@ -2903,19 +2903,6 @@ int write_ctree_super(struct btrfs_trans_handle *trans,
return ret;
}
/* Kill all outstanding I/O */
void btrfs_abort_devices(struct btrfs_root *root)
{
struct list_head *head;
struct btrfs_device *dev;
mutex_lock(&root->fs_info->fs_devices->device_list_mutex);
head = &root->fs_info->fs_devices->devices;
list_for_each_entry_rcu(dev, head, dev_list) {
blk_abort_queue(dev->bdev->bd_disk->queue);
}
mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
}
void btrfs_free_fs_root(struct btrfs_fs_info *fs_info, struct btrfs_root *root)
{
spin_lock(&fs_info->fs_roots_radix_lock);

1
fs/btrfs/disk-io.h
View File

@ -89,7 +89,6 @@ int btrfs_add_log_tree(struct btrfs_trans_handle *trans,
int btrfs_cleanup_transaction(struct btrfs_root *root);
void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans,
struct btrfs_root *root);
void btrfs_abort_devices(struct btrfs_root *root);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
void btrfs_init_lockdep(void);