diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2007-10-16 23:25:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:45 -0700 |
| commit | e0bf68ddec4f4f90e5871404be4f1854c17f3120 (patch) | |
| tree | 36203a3558cbe26d698bed18be69b3822fb5eef2 /fs/hugetlbfs | |
| parent | dc62a30e274d003a4d08fb888f1520add4b21373 (diff) | |
| download | lwn-e0bf68ddec4f4f90e5871404be4f1854c17f3120.tar.gz lwn-e0bf68ddec4f4f90e5871404be4f1854c17f3120.zip | |
mm: bdi init hooks
provide BDI constructor/destructor hooks
[akpm@linux-foundation.org: compile fix]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hugetlbfs')
| -rw-r--r-- | fs/hugetlbfs/inode.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 04598e12c489..0d9a2055ddee 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -974,11 +974,15 @@ static int __init init_hugetlbfs_fs(void) int error; struct vfsmount *vfsmount; + error = bdi_init(&hugetlbfs_backing_dev_info); + if (error) + return error; + hugetlbfs_inode_cachep = kmem_cache_create("hugetlbfs_inode_cache", sizeof(struct hugetlbfs_inode_info), 0, 0, init_once); if (hugetlbfs_inode_cachep == NULL) - return -ENOMEM; + goto out2; error = register_filesystem(&hugetlbfs_fs_type); if (error) @@ -996,6 +1000,8 @@ static int __init init_hugetlbfs_fs(void) out: if (error) kmem_cache_destroy(hugetlbfs_inode_cachep); + out2: + bdi_destroy(&hugetlbfs_backing_dev_info); return error; } @@ -1003,6 +1009,7 @@ static void __exit exit_hugetlbfs_fs(void) { kmem_cache_destroy(hugetlbfs_inode_cachep); unregister_filesystem(&hugetlbfs_fs_type); + bdi_destroy(&hugetlbfs_backing_dev_info); } module_init(init_hugetlbfs_fs) |