diff options
Diffstat (limited to 'fs/sysfs')
| -rw-r--r-- | fs/sysfs/dir.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c index 9ee130be03be..36ee6d817956 100644 --- a/fs/sysfs/dir.c +++ b/fs/sysfs/dir.c @@ -464,6 +464,8 @@ void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt, */ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) { + struct sysfs_inode_attrs *ps_iattr; + if (sysfs_find_dirent(acxt->parent_sd, sd->s_name)) return -EEXIST; @@ -476,6 +478,13 @@ int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd) sysfs_link_sibling(sd); + /* Update timestamps on the parent */ + ps_iattr = acxt->parent_sd->s_iattr; + if (ps_iattr) { + struct iattr *ps_iattrs = &ps_iattr->ia_iattr; + ps_iattrs->ia_ctime = ps_iattrs->ia_mtime = CURRENT_TIME; + } + return 0; } @@ -554,10 +563,19 @@ int 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) { + struct sysfs_inode_attrs *ps_iattr; + BUG_ON(sd->s_flags & SYSFS_FLAG_REMOVED); sysfs_unlink_sibling(sd); + /* Update timestamps on the parent */ + ps_iattr = acxt->parent_sd->s_iattr; + if (ps_iattr) { + struct iattr *ps_iattrs = &ps_iattr->ia_iattr; + ps_iattrs->ia_ctime = ps_iattrs->ia_mtime = CURRENT_TIME; + } + sd->s_flags |= SYSFS_FLAG_REMOVED; sd->s_sibling = acxt->removed; acxt->removed = sd; |