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fs/9p: Simplify the .L create operation 

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Aneesh Kumar K.V 2011-01-10 14:22:21 -06:00 committed by Eric Van Hensbergen
parent 53c06f4e0a
commit af7542fc8a
1 changed files with 28 additions and 47 deletions
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75
fs/9p/vfs_inode_dotl.c
View File

@ -196,60 +196,41 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
err);
goto error;
}
/* instantiate inode and assign the unopened fid to the dentry */
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE ||
(nd && nd->flags & LOOKUP_OPEN)) {
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;
}
d_set_d_op(dentry, &v9fs_cached_dentry_operations);
d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
/* The fid would get clunked via a dput */
/* instantiate inode and assign the unopened fid to the dentry */
fid = p9_client_walk(dfid, 1, &name, 1);
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
P9_DPRINTK(P9_DEBUG_VFS, "p9_clinet_walk failed %d\n", err);
fid = NULL;
} else {
/*
* Not in cached mode. No need to populate
* inode with stat. We need to get an inode
* so that we can set the acl with dentry
*/
inode = v9fs_get_inode(dir->i_sb, mode);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
goto error;
}
d_set_d_op(dentry, &v9fs_dentry_operations);
d_instantiate(dentry, inode);
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;
}
if (v9ses->cache)
dentry->d_op = &v9fs_cached_dentry_operations;
else
dentry->d_op = &v9fs_dentry_operations;
d_instantiate(dentry, inode);
err = v9fs_fid_add(dentry, fid);
if (err < 0)
goto error;
/* Now set the ACL based on the default value */
v9fs_set_create_acl(dentry, dacl, pacl);
/* if we are opening a file, assign the open fid to the file */
if (nd && nd->flags & LOOKUP_OPEN) {
filp = lookup_instantiate_filp(nd, dentry, generic_file_open);
if (IS_ERR(filp)) {
p9_client_clunk(ofid);
return PTR_ERR(filp);
}
filp->private_data = ofid;
} else
/* Since we are opening a file, assign the open fid to the file */
filp = lookup_instantiate_filp(nd, dentry, generic_file_open);
if (IS_ERR(filp)) {
p9_client_clunk(ofid);
return PTR_ERR(filp);
}
filp->private_data = ofid;
return 0;
error: