diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-30 19:36:55 +0200 |
commit | bc588df79ebfb710abc27342fccf336a68ed1216 (patch) | |
tree | e50e125eaa6da83fa715704e53c1bde013d1ef8e /fs/sysfs/dir.c | |
parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
parent | 15dd859cacf312f606f54502d1f66537a1e5c78c (diff) |
Merge branch 'x86/core' into x86/xsave
Diffstat (limited to 'fs/sysfs/dir.c')
-rw-r--r-- | fs/sysfs/dir.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 8c0e4b92574..aedaeba82ae 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -398,7 +398,7 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt, } /** - * sysfs_add_one - add sysfs_dirent to parent + * __sysfs_add_one - add sysfs_dirent to parent without warning * @acxt: addrm context to use * @sd: sysfs_dirent to be added * @@ -417,7 +417,7 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt, * 0 on success, -EEXIST if entry with the given name already * exists. */ -int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) +int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) { if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) return -EEXIST; @@ -435,6 +435,36 @@ int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) } /** + * sysfs_add_one - add sysfs_dirent to parent + * @acxt: addrm context to use + * @sd: sysfs_dirent to be added + * + * Get @acxt->parent_sd and set sd->s_parent to it and increment + * nlink of parent inode if @sd is a directory and link into the + * children list of the parent. + * + * This function should be called between calls to + * sysfs_addrm_start() and sysfs_addrm_finish() and should be + * passed the same @acxt as passed to sysfs_addrm_start(). + * + * LOCKING: + * Determined by sysfs_addrm_start(). + * + * RETURNS: + * 0 on success, -EEXIST if entry with the given name already + * exists. + */ +int sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) +{ + int ret; + + ret = __sysfs_add_one(acxt, sd); + WARN(ret == -EEXIST, KERN_WARNING "sysfs: duplicate filename '%s' " + "can not be created\n", sd->s_name); + return ret; +} + +/** * sysfs_remove_one - remove sysfs_dirent from parent * @acxt: addrm context to use * @sd: sysfs_dirent to be removed |