diff options
Diffstat (limited to 'fs/sysfs/symlink.c')
| -rw-r--r-- | fs/sysfs/symlink.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c index 817f5966edca..a3ba217fbe74 100644 --- a/fs/sysfs/symlink.c +++ b/fs/sysfs/symlink.c @@ -19,13 +19,8 @@ #include "sysfs.h" -/** - * sysfs_create_link - create symlink between two objects. - * @kobj: object whose directory we're creating the link in. - * @target: object we're pointing to. - * @name: name of the symlink. - */ -int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char * name) +static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target, + const char *name, int warn) { struct sysfs_dirent *parent_sd = NULL; struct sysfs_dirent *target_sd = NULL; @@ -65,7 +60,10 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char target_sd = NULL; /* reference is now owned by the symlink */ sysfs_addrm_start(&acxt, parent_sd); - error = sysfs_add_one(&acxt, sd); + if (warn) + error = sysfs_add_one(&acxt, sd); + else + error = __sysfs_add_one(&acxt, sd); sysfs_addrm_finish(&acxt); if (error) @@ -80,6 +78,33 @@ int sysfs_create_link(struct kobject * kobj, struct kobject * target, const char } /** + * sysfs_create_link - create symlink between two objects. + * @kobj: object whose directory we're creating the link in. + * @target: object we're pointing to. + * @name: name of the symlink. + */ +int sysfs_create_link(struct kobject *kobj, struct kobject *target, + const char *name) +{ + return sysfs_do_create_link(kobj, target, name, 1); +} + +/** + * sysfs_create_link_nowarn - create symlink between two objects. + * @kobj: object whose directory we're creating the link in. + * @target: object we're pointing to. + * @name: name of the symlink. + * + * This function does the same as sysf_create_link(), but it + * doesn't warn if the link already exists. + */ +int sysfs_create_link_nowarn(struct kobject *kobj, struct kobject *target, + const char *name) +{ + return sysfs_do_create_link(kobj, target, name, 0); +} + +/** * sysfs_remove_link - remove symlink in object's directory. * @kobj: object we're acting for. * @name: name of the symlink to remove. |