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authorSteve French <sfrench@us.ibm.com>2011-01-09 23:18:16 +0000
committerSteve French <sfrench@us.ibm.com>2011-01-09 23:18:16 +0000
commitacc6f11272ce4f77c40b1a6292eb198fd6aaf8c3 (patch)
tree2da3a61b6726707a89f1cf93446aabd2fb00e1f0 /fs/cifs/cifsfs.c
parent7e12eddb73d4f288b0339ee13832a34d6bc4fd90 (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
downloadlinux-acc6f11272ce4f77c40b1a6292eb198fd6aaf8c3.tar.bz2
Merge branch 'master' of /pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: fs/cifs/dir.c
Diffstat (limited to 'fs/cifs/cifsfs.c')
-rw-r--r--fs/cifs/cifsfs.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 9df5c0b94d0f..5abfedaa5e78 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -283,10 +283,13 @@ cifs_statfs(struct dentry *dentry, struct kstatfs *buf)
return 0;
}
-static int cifs_permission(struct inode *inode, int mask)
+static int cifs_permission(struct inode *inode, int mask, unsigned int flags)
{
struct cifs_sb_info *cifs_sb;
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+
cifs_sb = CIFS_SB(inode->i_sb);
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) {
@@ -298,7 +301,7 @@ static int cifs_permission(struct inode *inode, int mask)
on the client (above and beyond ACL on servers) for
servers which do not support setting and viewing mode bits,
so allowing client to check permissions is useful */
- return generic_permission(inode, mask, NULL);
+ return generic_permission(inode, mask, flags, NULL);
}
static struct kmem_cache *cifs_inode_cachep;
@@ -334,10 +337,17 @@ cifs_alloc_inode(struct super_block *sb)
return &cifs_inode->vfs_inode;
}
+static void cifs_i_callback(struct rcu_head *head)
+{
+ struct inode *inode = container_of(head, struct inode, i_rcu);
+ INIT_LIST_HEAD(&inode->i_dentry);
+ kmem_cache_free(cifs_inode_cachep, CIFS_I(inode));
+}
+
static void
cifs_destroy_inode(struct inode *inode)
{
- kmem_cache_free(cifs_inode_cachep, CIFS_I(inode));
+ call_rcu(&inode->i_rcu, cifs_i_callback);
}
static void