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sysfs: Pass super_block to sysfs_get_inode

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Currently sysfs_get_inode magically returns an inode on
sysfs_sb.  Make the super_block parameter explicit and
the code becomes clearer.

Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Eric W. Biederman 2010-02-12 19:22:27 -08:00 committed by Greg Kroah-Hartman
parent 2354dcc721
commit fac2622bba
4 changed files with 6 additions and 5 deletions
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2
fs/sysfs/dir.c
View file

@ -645,7 +645,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
}
/* attach dentry and inode */
inode = sysfs_get_inode(sd);
inode = sysfs_get_inode(dir->i_sb, sd);
if (!inode) {
ret = ERR_PTR(-ENOMEM);
goto out_unlock;

5
fs/sysfs/inode.c
View file

@ -283,6 +283,7 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
/**
* sysfs_get_inode - get inode for sysfs_dirent
* @sb: super block
* @sd: sysfs_dirent to allocate inode for
*
* Get inode for @sd. If such inode doesn't exist, a new inode
@ -295,11 +296,11 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
* RETURNS:
* Pointer to allocated inode on success, NULL on failure.
*/
struct inode * sysfs_get_inode(struct sysfs_dirent *sd)
struct inode * sysfs_get_inode(struct super_block *sb, struct sysfs_dirent *sd)
{
struct inode *inode;
inode = iget_locked(sysfs_sb, sd->s_ino);
inode = iget_locked(sb, sd->s_ino);
if (inode && (inode->i_state & I_NEW))
sysfs_init_inode(sd, inode);

2
fs/sysfs/mount.c
View file

@ -54,7 +54,7 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
/* get root inode, initialize and unlock it */
mutex_lock(&sysfs_mutex);
inode = sysfs_get_inode(&sysfs_root);
inode = sysfs_get_inode(sb, &sysfs_root);
mutex_unlock(&sysfs_mutex);
if (!inode) {
pr_debug("sysfs: could not get root inode\n");

2
fs/sysfs/sysfs.h
View file

@ -172,7 +172,7 @@ static inline void __sysfs_put(struct sysfs_dirent *sd)
/*
* inode.c
*/
struct inode *sysfs_get_inode(struct sysfs_dirent *sd);
struct inode *sysfs_get_inode(struct super_block *sb, struct sysfs_dirent *sd);
void sysfs_delete_inode(struct inode *inode);
int sysfs_sd_setattr(struct sysfs_dirent *sd, struct iattr *iattr);
int sysfs_permission(struct inode *inode, int mask);