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authorTejun Heo <htejun@gmail.com>2007-06-14 03:45:16 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2007-07-11 16:09:05 -0700
commit73107cb3ad3963c0f929ae681c05081eafb1c079 (patch)
tree78c9647d5e6a0d9c89cb8c37b7533aad8f805302 /fs/sysfs/inode.c
parent0ab66088c855eca68513bdd7442a426c4b374ced (diff)
downloadop-kernel-dev-73107cb3ad3963c0f929ae681c05081eafb1c079.zip
op-kernel-dev-73107cb3ad3963c0f929ae681c05081eafb1c079.tar.gz
sysfs: kill attribute file orphaning
Now that sysfs_dirent can be disconnected from kobject on deletion, there is no need to orphan each attribute files. All [bin_]attribute nodes are automatically orphaned when the parent node is deleted. Kill attribute file orphaning. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/sysfs/inode.c')
-rw-r--r--fs/sysfs/inode.c25
1 files changed, 0 insertions, 25 deletions
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 7b9a8f1..d9ccc83 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -191,24 +191,6 @@ int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
return error;
}
-static inline void orphan_all_buffers(struct inode *node)
-{
- struct sysfs_buffer_collection *set;
- struct sysfs_buffer *buf;
-
- mutex_lock_nested(&node->i_mutex, I_MUTEX_CHILD);
- set = node->i_private;
- if (set) {
- list_for_each_entry(buf, &set->associates, associates) {
- down(&buf->sem);
- buf->orphaned = 1;
- up(&buf->sem);
- }
- }
- mutex_unlock(&node->i_mutex);
-}
-
-
/*
* Unhashes the dentry corresponding to given sysfs_dirent
* Called with parent inode's i_mutex held.
@@ -216,7 +198,6 @@ static inline void orphan_all_buffers(struct inode *node)
void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
{
struct dentry *dentry = NULL;
- struct inode *inode;
/* We're not holding a reference to ->s_dentry dentry but the
* field will stay valid as long as sysfs_lock is held.
@@ -236,17 +217,11 @@ void sysfs_drop_dentry(struct sysfs_dirent * sd, struct dentry * parent)
spin_lock(&dcache_lock);
spin_lock(&dentry->d_lock);
if (!d_unhashed(dentry) && dentry->d_inode) {
- inode = dentry->d_inode;
- spin_lock(&inode->i_lock);
- __iget(inode);
- spin_unlock(&inode->i_lock);
dget_locked(dentry);
__d_drop(dentry);
spin_unlock(&dentry->d_lock);
spin_unlock(&dcache_lock);
simple_unlink(parent->d_inode, dentry);
- orphan_all_buffers(inode);
- iput(inode);
} else {
spin_unlock(&dentry->d_lock);
spin_unlock(&dcache_lock);
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