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-rw-r--r--fs/afs/inode.c47
1 files changed, 46 insertions, 1 deletions
diff --git a/fs/afs/inode.c b/fs/afs/inode.c
index 9c984cc42cc..515a5d12d8f 100644
--- a/fs/afs/inode.c
+++ b/fs/afs/inode.c
@@ -209,7 +209,7 @@ bad_inode:
*/
void afs_zap_data(struct afs_vnode *vnode)
{
- kenter("zap data {%x:%u}", vnode->fid.vid, vnode->fid.vnode);
+ _enter("zap data {%x:%u}", vnode->fid.vid, vnode->fid.vnode);
/* nuke all the non-dirty pages that aren't locked, mapped or being
* written back */
@@ -334,6 +334,7 @@ void afs_clear_inode(struct inode *inode)
vnode->server = NULL;
}
+ ASSERT(list_empty(&vnode->writebacks));
ASSERT(!vnode->cb_promised);
#ifdef AFS_CACHING_SUPPORT
@@ -350,3 +351,47 @@ void afs_clear_inode(struct inode *inode)
_leave("");
}
+
+/*
+ * set the attributes of an inode
+ */
+int afs_setattr(struct dentry *dentry, struct iattr *attr)
+{
+ struct afs_vnode *vnode = AFS_FS_I(dentry->d_inode);
+ struct key *key;
+ int ret;
+
+ _enter("{%x:%u},{n=%s},%x",
+ vnode->fid.vid, vnode->fid.vnode, dentry->d_name.name,
+ attr->ia_valid);
+
+ if (!(attr->ia_valid & (ATTR_SIZE | ATTR_MODE | ATTR_UID | ATTR_GID |
+ ATTR_MTIME))) {
+ _leave(" = 0 [unsupported]");
+ return 0;
+ }
+
+ /* flush any dirty data outstanding on a regular file */
+ if (S_ISREG(vnode->vfs_inode.i_mode)) {
+ filemap_write_and_wait(vnode->vfs_inode.i_mapping);
+ afs_writeback_all(vnode);
+ }
+
+ if (attr->ia_valid & ATTR_FILE) {
+ key = attr->ia_file->private_data;
+ } else {
+ key = afs_request_key(vnode->volume->cell);
+ if (IS_ERR(key)) {
+ ret = PTR_ERR(key);
+ goto error;
+ }
+ }
+
+ ret = afs_vnode_setattr(vnode, key, attr);
+ if (!(attr->ia_valid & ATTR_FILE))
+ key_put(key);
+
+error:
+ _leave(" = %d", ret);
+ return ret;
+}