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authorAsias He <asias@redhat.com>2012-05-25 11:10:21 +0800
committerJosef Bacik <josef@redhat.com>2012-05-30 10:23:39 -0400
commitd07eb9117050c9ed3f78296ebcc06128b52693be (patch)
treee4328e49440b4330d5a58416e40ec13e738d5dad
parent762f2263260d576504aeb23d20f90120acdb025f (diff)
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>
-rw-r--r--fs/btrfs/disk-io.c13
-rw-r--r--fs/btrfs/disk-io.h1
2 files changed, 0 insertions, 14 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 297e5a8ed93..0f788c05906 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -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);
diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h
index ab1830aaf0e..05b3fab39f7 100644
--- a/fs/btrfs/disk-io.h
+++ b/fs/btrfs/disk-io.h
@@ -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);