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mm: bdi init hooks

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provide BDI constructor/destructor hooks

[[email protected]: compile fix]
Signed-off-by: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Peter Zijlstra 2007-10-16 23:25:46 -07:00 • committed by Linus Torvalds
commit e0bf68ddec
19 changed files with 131 additions and 7 deletions
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5
fs/sysfs/inode.c
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@ -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;

4
fs/sysfs/mount.c
View file

@ -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);

1
fs/sysfs/sysfs.h
View file

@ -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