diff options
Diffstat (limited to 'fs/afs/inode.c')
| -rw-r--r-- | fs/afs/inode.c | 47 |
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; +} |