From e0bf68ddec4f4f90e5871404be4f1854c17f3120 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Tue, 16 Oct 2007 23:25:46 -0700 Subject: mm: bdi init hooks provide BDI constructor/destructor hooks [akpm@linux-foundation.org: compile fix] Signed-off-by: Peter Zijlstra Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/sysfs/inode.c | 5 +++++ fs/sysfs/mount.c | 4 ++++ fs/sysfs/sysfs.h | 1 + 3 files changed, 10 insertions(+) (limited to 'fs/sysfs') diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index c4ef945d39c..d9262f74f94 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -37,6 +37,11 @@ static const struct inode_operations sysfs_inode_operations ={ .setattr = sysfs_setattr, }; +int __init sysfs_inode_init(void) +{ + return bdi_init(&sysfs_backing_dev_info); +} + int sysfs_setattr(struct dentry * dentry, struct iattr * iattr) { struct inode * inode = dentry->d_inode; diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c index c76c540be3c..74168266cd5 100644 --- a/fs/sysfs/mount.c +++ b/fs/sysfs/mount.c @@ -92,6 +92,10 @@ int __init sysfs_init(void) if (!sysfs_dir_cachep) goto out; + err = sysfs_inode_init(); + if (err) + goto out_err; + err = register_filesystem(&sysfs_fs_type); if (!err) { sysfs_mount = kern_mount(&sysfs_fs_type); diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index f0326f281d1..f8417988f6b 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -146,6 +146,7 @@ static inline void sysfs_put(struct sysfs_dirent *sd) struct inode *sysfs_get_inode(struct sysfs_dirent *sd); int sysfs_setattr(struct dentry *dentry, struct iattr *iattr); int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name); +int sysfs_inode_init(void); /* * file.c -- cgit v1.2.3-70-g09d2