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| author | Christoph Hellwig <hch@lst.de> | 2015-01-14 10:42:30 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-01-20 14:02:54 -0700 |
| commit | a7a2c680a2ad81b3181a335ee76e23d5195007ee (patch) | |
| tree | 6755c100ab14f95ab78eba709f2de737b16e3d02 /fs/ocfs2/dlmfs/dlmfs.c | |
| parent | ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc (diff) | |
| download | linux-stable-a7a2c680a2ad81b3181a335ee76e23d5195007ee.tar.gz linux-stable-a7a2c680a2ad81b3181a335ee76e23d5195007ee.tar.bz2 linux-stable-a7a2c680a2ad81b3181a335ee76e23d5195007ee.zip | |
fs: deduplicate noop_backing_dev_info
hugetlbfs, kernfs and dlmfs can simply use noop_backing_dev_info instead
of creating a local duplicate.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/ocfs2/dlmfs/dlmfs.c')
| -rw-r--r-- | fs/ocfs2/dlmfs/dlmfs.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index 57c40e34f56f..6000d3029b26 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -390,12 +390,6 @@ clear_fields: ip->ip_conn = NULL; } -static struct backing_dev_info dlmfs_backing_dev_info = { - .name = "ocfs2-dlmfs", - .ra_pages = 0, /* No readahead */ - .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK, -}; - static struct inode *dlmfs_get_root_inode(struct super_block *sb) { struct inode *inode = new_inode(sb); @@ -404,7 +398,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) if (inode) { inode->i_ino = get_next_ino(); inode_init_owner(inode, NULL, mode); - inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; + inode->i_mapping->backing_dev_info = &noop_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inc_nlink(inode); @@ -428,7 +422,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inode->i_ino = get_next_ino(); inode_init_owner(inode, parent, mode); - inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; + inode->i_mapping->backing_dev_info = &noop_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; ip = DLMFS_I(inode); @@ -643,10 +637,6 @@ static int __init init_dlmfs_fs(void) int status; int cleanup_inode = 0, cleanup_worker = 0; - status = bdi_init(&dlmfs_backing_dev_info); - if (status) - return status; - dlmfs_inode_cache = kmem_cache_create("dlmfs_inode_cache", sizeof(struct dlmfs_inode_private), 0, (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT| @@ -673,7 +663,6 @@ bail: kmem_cache_destroy(dlmfs_inode_cache); if (cleanup_worker) destroy_workqueue(user_dlm_worker); - bdi_destroy(&dlmfs_backing_dev_info); } else printk("OCFS2 User DLM kernel interface loaded\n"); return status; @@ -693,7 +682,6 @@ static void __exit exit_dlmfs_fs(void) rcu_barrier(); kmem_cache_destroy(dlmfs_inode_cache); - bdi_destroy(&dlmfs_backing_dev_info); } MODULE_AUTHOR("Oracle"); |