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btrfs: make close_ctree return void

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There's no user of the return value and we can get rid of the comment in
put_super.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2014-06-04 18:10:45 +02:00 committed by Chris Mason
parent 57cdc8db21
commit 3abdbd780e
3 changed files with 3 additions and 11 deletions
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4
fs/btrfs/disk-io.c
View File

@ -3623,7 +3623,7 @@ int btrfs_commit_super(struct btrfs_root *root)
return btrfs_commit_transaction(trans, root);
}
int close_ctree(struct btrfs_root *root)
void close_ctree(struct btrfs_root *root)
{
struct btrfs_fs_info *fs_info = root->fs_info;
int ret;
@ -3711,8 +3711,6 @@ int close_ctree(struct btrfs_root *root)
btrfs_free_block_rsv(root, root->orphan_block_rsv);
root->orphan_block_rsv = NULL;
return 0;
}
int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid,

2
fs/btrfs/disk-io.h
View File

@ -56,7 +56,7 @@ void clean_tree_block(struct btrfs_trans_handle *trans,
int open_ctree(struct super_block *sb,
struct btrfs_fs_devices *fs_devices,
char *options);
int close_ctree(struct btrfs_root *root);
void close_ctree(struct btrfs_root *root);
int write_ctree_super(struct btrfs_trans_handle *trans,
struct btrfs_root *root, int max_mirrors);
struct buffer_head *btrfs_read_dev_super(struct block_device *bdev);

8
fs/btrfs/super.c
View File

@ -307,13 +307,7 @@ void __btrfs_panic(struct btrfs_fs_info *fs_info, const char *function,
static void btrfs_put_super(struct super_block *sb)
{
(void)close_ctree(btrfs_sb(sb)->tree_root);
/* FIXME: need to fix VFS to return error? */
/* AV: return it _where_? ->put_super() can be triggered by any number
* of async events, up to and including delivery of SIGKILL to the
* last process that kept it busy. Or segfault in the aforementioned
* process... Whom would you report that to?
*/
close_ctree(btrfs_sb(sb)->tree_root);
}
enum {