diff options
Diffstat (limited to 'fs/9p')
| -rw-r--r-- | fs/9p/vfs_inode.c | 83 |
1 files changed, 80 insertions, 3 deletions
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 4d9f45ec6126..39dc79567322 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -731,6 +731,83 @@ static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) return err; } + +/** + * v9fs_vfs_mkdir_dotl - VFS mkdir hook to create a directory + * @dir: inode that is being unlinked + * @dentry: dentry that is being unlinked + * @mode: mode for new directory + * + */ + +static int v9fs_vfs_mkdir_dotl(struct inode *dir, struct dentry *dentry, + int mode) +{ + int err; + struct v9fs_session_info *v9ses; + struct p9_fid *fid = NULL, *dfid = NULL; + gid_t gid; + char *name; + struct inode *inode; + struct p9_qid qid; + struct dentry *dir_dentry; + + P9_DPRINTK(P9_DEBUG_VFS, "name %s\n", dentry->d_name.name); + err = 0; + v9ses = v9fs_inode2v9ses(dir); + + mode |= S_IFDIR; + dir_dentry = v9fs_dentry_from_dir_inode(dir); + dfid = v9fs_fid_lookup(dir_dentry); + if (IS_ERR(dfid)) { + err = PTR_ERR(dfid); + P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err); + dfid = NULL; + goto error; + } + + gid = v9fs_get_fsgid_for_create(dir); + if (gid < 0) { + P9_DPRINTK(P9_DEBUG_VFS, "v9fs_get_fsgid_for_create failed\n"); + goto error; + } + + name = (char *) dentry->d_name.name; + err = p9_client_mkdir_dotl(dfid, name, mode, gid, &qid); + if (err < 0) + goto error; + + /* instantiate inode and assign the unopened fid to the dentry */ + if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE) { + fid = p9_client_walk(dfid, 1, &name, 1); + if (IS_ERR(fid)) { + err = PTR_ERR(fid); + P9_DPRINTK(P9_DEBUG_VFS, "p9_client_walk failed %d\n", + err); + fid = NULL; + goto error; + } + + inode = v9fs_inode_from_fid(v9ses, fid, dir->i_sb); + if (IS_ERR(inode)) { + err = PTR_ERR(inode); + P9_DPRINTK(P9_DEBUG_VFS, "inode creation failed %d\n", + err); + goto error; + } + dentry->d_op = &v9fs_cached_dentry_operations; + d_instantiate(dentry, inode); + err = v9fs_fid_add(dentry, fid); + if (err < 0) + goto error; + fid = NULL; + } +error: + if (fid) + p9_client_clunk(fid); + return err; +} + /** * v9fs_vfs_lookup - VFS lookup hook to "walk" to a new inode * @dir: inode that is being walked from @@ -1641,7 +1718,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int mode, struct inode *inode; gid_t gid; struct p9_qid qid; - struct dentry *dir_entry; + struct dentry *dir_dentry; P9_DPRINTK(P9_DEBUG_VFS, " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino, @@ -1652,7 +1729,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int mode, v9ses = v9fs_inode2v9ses(dir); dir_dentry = v9fs_dentry_from_dir_inode(dir); - dfid = v9fs_fid_lookup(dir_entry); + dfid = v9fs_fid_lookup(dir_dentry); if (IS_ERR(dfid)) { err = PTR_ERR(dfid); P9_DPRINTK(P9_DEBUG_VFS, "fid lookup failed %d\n", err); @@ -1736,7 +1813,7 @@ static const struct inode_operations v9fs_dir_inode_operations_dotl = { .link = v9fs_vfs_link_dotl, .symlink = v9fs_vfs_symlink_dotl, .unlink = v9fs_vfs_unlink, - .mkdir = v9fs_vfs_mkdir, + .mkdir = v9fs_vfs_mkdir_dotl, .rmdir = v9fs_vfs_rmdir, .mknod = v9fs_vfs_mknod_dotl, .rename = v9fs_vfs_rename, |