ceph: keep reference to parent inode on ceph_dentry

[pandora-kernel.git] / fs / ceph / xattr.c

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 9578af6..8c9eba6 100644 (file)
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1,6 +1,9 @@
-#include "ceph_debug.h"
+#include <linux/ceph/ceph_debug.h>
+
 #include "super.h"
-#include "decode.h"
+#include "mds_client.h"
+
+#include <linux/ceph/decode.h>
 
 #include <linux/xattr.h>
 #include <linux/slab.h>
@@ -216,6 +219,7 @@ static struct ceph_inode_xattr *__get_xattr(struct ceph_inode_info *ci,
        struct rb_node **p;
        struct rb_node *parent = NULL;
        struct ceph_inode_xattr *xattr = NULL;
+       int name_len = strlen(name);
        int c;
 
        p = &ci->i_xattrs.index.rb_node;
@@ -223,6 +227,8 @@ static struct ceph_inode_xattr *__get_xattr(struct ceph_inode_info *ci,
                parent = *p;
                xattr = rb_entry(parent, struct ceph_inode_xattr, node);
                c = strncmp(name, xattr->name, xattr->name_len);
+               if (c == 0 && name_len > xattr->name_len)
+                       c = 1;
                if (c < 0)
                        p = &(*p)->rb_left;
                else if (c > 0)
@@ -620,12 +626,12 @@ out:
 static int ceph_sync_setxattr(struct dentry *dentry, const char *name,
                              const char *value, size_t size, int flags)
 {
-       struct ceph_client *client = ceph_sb_to_client(dentry->d_sb);
+       struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
        struct inode *inode = dentry->d_inode;
        struct ceph_inode_info *ci = ceph_inode(inode);
        struct inode *parent_inode = dentry->d_parent->d_inode;
        struct ceph_mds_request *req;
-       struct ceph_mds_client *mdsc = &client->mdsc;
+       struct ceph_mds_client *mdsc = fsc->mdsc;
        int err;
        int i, nr_pages;
        struct page **pages = NULL;
@@ -713,10 +719,9 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
 
        /* preallocate memory for xattr name, value, index node */
        err = -ENOMEM;
-       newname = kmalloc(name_len + 1, GFP_NOFS);
+       newname = kmemdup(name, name_len + 1, GFP_NOFS);
        if (!newname)
                goto out;
-       memcpy(newname, name, name_len + 1);
 
        if (val_len) {
                newval = kmalloc(val_len + 1, GFP_NOFS);
@@ -777,8 +782,8 @@ out:
 
 static int ceph_send_removexattr(struct dentry *dentry, const char *name)
 {
-       struct ceph_client *client = ceph_sb_to_client(dentry->d_sb);
-       struct ceph_mds_client *mdsc = &client->mdsc;
+       struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
+       struct ceph_mds_client *mdsc = fsc->mdsc;
        struct inode *inode = dentry->d_inode;
        struct inode *parent_inode = dentry->d_parent->d_inode;
        struct ceph_mds_request *req;