Merge from-linus to-akpm

[linux-2.6] / fs / sysfs / inode.c

diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 400c90be5685bb1d1f327678ece58296ef6ad255..d727dc960634a28de3df914ccb26cdc63fac98a9 100644 (file)
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -85,24 +85,48 @@ int sysfs_setattr(struct dentry * dentry, struct iattr * iattr)
 
                if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
                        mode &= ~S_ISGID;
-               sd_iattr->ia_mode = mode;
+               sd_iattr->ia_mode = sd->s_mode = mode;
        }
 
        return error;
 }
 
-struct inode * sysfs_new_inode(mode_t mode)
+static inline void set_default_inode_attr(struct inode * inode, mode_t mode)
+{
+       inode->i_mode = mode;
+       inode->i_uid = 0;
+       inode->i_gid = 0;
+       inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+}
+
+static inline void set_inode_attr(struct inode * inode, struct iattr * iattr)
+{
+       inode->i_mode = iattr->ia_mode;
+       inode->i_uid = iattr->ia_uid;
+       inode->i_gid = iattr->ia_gid;
+       inode->i_atime = iattr->ia_atime;
+       inode->i_mtime = iattr->ia_mtime;
+       inode->i_ctime = iattr->ia_ctime;
+}
+
+struct inode * sysfs_new_inode(mode_t mode, struct sysfs_dirent * sd)
 {
        struct inode * inode = new_inode(sysfs_sb);
        if (inode) {
-               inode->i_mode = mode;
-               inode->i_uid = 0;
-               inode->i_gid = 0;
                inode->i_blksize = PAGE_CACHE_SIZE;
                inode->i_blocks = 0;
-               inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
                inode->i_mapping->a_ops = &sysfs_aops;
                inode->i_mapping->backing_dev_info = &sysfs_backing_dev_info;
+               inode->i_op = &sysfs_inode_operations;
+
+               if (sd->s_iattr) {
+                       /* sysfs_dirent has non-default attributes
+                        * get them for the new inode from persistent copy
+                        * in sysfs_dirent
+                        */
+                       set_inode_attr(inode, sd->s_iattr);
+               } else
+                       set_default_inode_attr(inode, mode);
        }
        return inode;
 }
@@ -113,7 +137,8 @@ int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
        struct inode * inode = NULL;
        if (dentry) {
                if (!dentry->d_inode) {
-                       if ((inode = sysfs_new_inode(mode))) {
+                       struct sysfs_dirent * sd = dentry->d_fsdata;
+                       if ((inode = sysfs_new_inode(mode, sd))) {
                                if (dentry->d_parent && dentry->d_parent->d_inode) {
                                        struct inode *p_inode = dentry->d_parent->d_inode;
                                        p_inode->i_mtime = p_inode->i_ctime = CURRENT_TIME;
@@ -141,16 +166,6 @@ int sysfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *))
        return error;
 }
 
-struct dentry * sysfs_get_dentry(struct dentry * parent, const char * name)
-{
-       struct qstr qstr;
-
-       qstr.name = name;
-       qstr.len = strlen(name);
-       qstr.hash = full_name_hash(name,qstr.len);
-       return lookup_hash(&qstr,parent);
-}
-
 /*
  * Get the name for corresponding element represented by the given sysfs_dirent
  */