Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 67956
b: refs/heads/master
c: 41fc1c2
h: refs/heads/master
v: v3
  • Loading branch information
Tejun Heo authored and Greg Kroah-Hartman committed Oct 12, 2007
1 parent bac713c commit 0913c2e
Show file tree
Hide file tree
Showing 6 changed files with 17 additions and 33 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ff869de7bf5e76adffebd3a176c1c73bca7eddb7
refs/heads/master: 41fc1c27452e041a18e5141b8203ee0ea72bc483
21 changes: 10 additions & 11 deletions trunk/fs/sysfs/dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ static DEFINE_IDA(sysfs_ino_ida);
* Locking:
* mutex_lock(sysfs_mutex)
*/
void sysfs_link_sibling(struct sysfs_dirent *sd)
static void sysfs_link_sibling(struct sysfs_dirent *sd)
{
struct sysfs_dirent *parent_sd = sd->s_parent;

Expand All @@ -49,7 +49,7 @@ void sysfs_link_sibling(struct sysfs_dirent *sd)
* Locking:
* mutex_lock(sysfs_mutex)
*/
void sysfs_unlink_sibling(struct sysfs_dirent *sd)
static void sysfs_unlink_sibling(struct sysfs_dirent *sd)
{
struct sysfs_dirent **pos;

Expand Down Expand Up @@ -500,6 +500,8 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
inc_nlink(acxt->parent_inode);

acxt->cnt++;

sysfs_link_sibling(sd);
}

/**
Expand All @@ -521,7 +523,9 @@ void sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
*/
void sysfs_remove_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd)
{
BUG_ON(sd->s_sibling || (sd->s_flags & SYSFS_FLAG_REMOVED));
BUG_ON(sd->s_flags & SYSFS_FLAG_REMOVED);

sysfs_unlink_sibling(sd);

sd->s_flags |= SYSFS_FLAG_REMOVED;
sd->s_sibling = acxt->removed;
Expand Down Expand Up @@ -697,10 +701,8 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd,
/* link in */
sysfs_addrm_start(&acxt, parent_sd);

if (!sysfs_find_dirent(parent_sd, name)) {
if (!sysfs_find_dirent(parent_sd, name))
sysfs_add_one(&acxt, sd);
sysfs_link_sibling(sd);
}

if (!sysfs_addrm_finish(&acxt)) {
sysfs_put(sd);
Expand Down Expand Up @@ -821,7 +823,6 @@ static void remove_dir(struct sysfs_dirent *sd)
struct sysfs_addrm_cxt acxt;

sysfs_addrm_start(&acxt, sd->s_parent);
sysfs_unlink_sibling(sd);
sysfs_remove_one(&acxt, sd);
sysfs_addrm_finish(&acxt);
}
Expand All @@ -846,11 +847,9 @@ static void __sysfs_remove_dir(struct sysfs_dirent *dir_sd)
while (*pos) {
struct sysfs_dirent *sd = *pos;

if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR) {
*pos = sd->s_sibling;
sd->s_sibling = NULL;
if (sysfs_type(sd) && sysfs_type(sd) != SYSFS_DIR)
sysfs_remove_one(&acxt, sd);
} else
else
pos = &(*pos)->s_sibling;
}
sysfs_addrm_finish(&acxt);
Expand Down
4 changes: 1 addition & 3 deletions trunk/fs/sysfs/file.c
Original file line number Diff line number Diff line change
Expand Up @@ -405,10 +405,8 @@ int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr,

sysfs_addrm_start(&acxt, dir_sd);

if (!sysfs_find_dirent(dir_sd, attr->name)) {
if (!sysfs_find_dirent(dir_sd, attr->name))
sysfs_add_one(&acxt, sd);
sysfs_link_sibling(sd);
}

if (!sysfs_addrm_finish(&acxt)) {
sysfs_put(sd);
Expand Down
17 changes: 4 additions & 13 deletions trunk/fs/sysfs/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -189,25 +189,16 @@ void sysfs_instantiate(struct dentry *dentry, struct inode *inode)
int sysfs_hash_and_remove(struct sysfs_dirent *dir_sd, const char *name)
{
struct sysfs_addrm_cxt acxt;
struct sysfs_dirent **pos, *sd;
struct sysfs_dirent *sd;

if (!dir_sd)
return -ENOENT;

sysfs_addrm_start(&acxt, dir_sd);

for (pos = &dir_sd->s_children; *pos; pos = &(*pos)->s_sibling) {
sd = *pos;

if (!sysfs_type(sd))
continue;
if (!strcmp(sd->s_name, name)) {
*pos = sd->s_sibling;
sd->s_sibling = NULL;
sysfs_remove_one(&acxt, sd);
break;
}
}
sd = sysfs_find_dirent(dir_sd, name);
if (sd)
sysfs_remove_one(&acxt, sd);

if (sysfs_addrm_finish(&acxt))
return 0;
Expand Down
4 changes: 1 addition & 3 deletions trunk/fs/sysfs/symlink.c
Original file line number Diff line number Diff line change
Expand Up @@ -92,10 +92,8 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char

sysfs_addrm_start(&acxt, parent_sd);

if (!sysfs_find_dirent(parent_sd, name)) {
if (!sysfs_find_dirent(parent_sd, name))
sysfs_add_one(&acxt, sd);
sysfs_link_sibling(sd);
}

if (!sysfs_addrm_finish(&acxt)) {
error = -EEXIST;
Expand Down
2 changes: 0 additions & 2 deletions trunk/fs/sysfs/sysfs.h
Original file line number Diff line number Diff line change
Expand Up @@ -56,8 +56,6 @@ extern struct sysfs_dirent sysfs_root;
extern struct kmem_cache *sysfs_dir_cachep;

extern struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd);
extern void sysfs_link_sibling(struct sysfs_dirent *sd);
extern void sysfs_unlink_sibling(struct sysfs_dirent *sd);
extern struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd);
extern void sysfs_put_active(struct sysfs_dirent *sd);
extern struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd);
Expand Down

0 comments on commit 0913c2e

Please sign in to comment.