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Code Issues Releases Wiki Activity

sysfs: move sysfs_hash_and_remove() to fs/sysfs/dir.c

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Most removal related logic is implemented in fs/sysfs/dir.c.  Move
sysfs_hash_and_remove() to fs/sysfs/dir.c so that __sysfs_remove()
doesn't have to be public.

This is pure relocation.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tejun Heo 2013-10-24 11:49:10 -04:00 committed by Greg Kroah-Hartman
parent baa97cb507
commit 7eed6ecb07
3 changed files with 39 additions and 30 deletions
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38
fs/sysfs/dir.c
View file

@ -813,7 +813,8 @@ static struct sysfs_dirent *sysfs_next_descendant_post(struct sysfs_dirent *pos,
return pos->s_parent;
}
void __sysfs_remove(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
static void __sysfs_remove(struct sysfs_addrm_cxt *acxt,
struct sysfs_dirent *sd)
{
struct sysfs_dirent *pos, *next;
@ -846,6 +847,41 @@ void sysfs_remove(struct sysfs_dirent *sd)
sysfs_addrm_finish(&acxt);
}
/**
* sysfs_hash_and_remove - find a sysfs_dirent by name and remove it
* @dir_sd: parent of the target
* @name: name of the sysfs_dirent to remove
* @ns: namespace tag of the sysfs_dirent to remove
*
* Look for the sysfs_dirent with @name and @ns under @dir_sd and remove
* it. Returns 0 on success, -ENOENT if such entry doesn't exist.
*/
int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name,
const void *ns)
{
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent *sd;
if (!dir_sd) {
WARN(1, KERN_WARNING "sysfs: can not remove '%s', no directory\n",
name);
return -ENOENT;
}
sysfs_addrm_start(&acxt);
sd = sysfs_find_dirent(dir_sd, name, ns);
if (sd)
__sysfs_remove(&acxt, sd);
sysfs_addrm_finish(&acxt);
if (sd)
return 0;
else
return -ENOENT;
}
/**
* sysfs_remove_dir - remove an object's directory.
* @kobj: object.

26
fs/sysfs/inode.c
View file

@ -314,32 +314,6 @@ void sysfs_evict_inode(struct inode *inode)
sysfs_put(sd);
}
int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name,
const void *ns)
{
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent *sd;
if (!dir_sd) {
WARN(1, KERN_WARNING "sysfs: can not remove '%s', no directory\n",
name);
return -ENOENT;
}
sysfs_addrm_start(&acxt);
sd = sysfs_find_dirent(dir_sd, name, ns);
if (sd)
__sysfs_remove(&acxt, sd);
sysfs_addrm_finish(&acxt);
if (sd)
return 0;
else
return -ENOENT;
}
int sysfs_permission(struct inode *inode, int mask)
{
struct sysfs_dirent *sd;

5
fs/sysfs/sysfs.h
View file

@ -172,8 +172,9 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd,
struct sysfs_dirent *parent_sd);
int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd,
struct sysfs_dirent *parent_sd);
void __sysfs_remove(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd);
void sysfs_remove(struct sysfs_dirent *sd);
int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name,
const void *ns);
void sysfs_addrm_finish(struct sysfs_addrm_cxt *acxt);
struct sysfs_dirent *sysfs_find_dirent(struct sysfs_dirent *parent_sd,
@ -218,8 +219,6 @@ int sysfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
struct kstat *stat);
int sysfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags);
int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name,
const void *ns);
int sysfs_inode_init(void);
/*