[CIFS] Fix CIFS to recognize share mode security

[safe/jmp/linux-2.6] / fs / nfs / dir.c

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 7370583..a1554be 100644 (file)
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -194,7 +194,7 @@ int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page *page)
        spin_unlock(&inode->i_lock);
        /* Ensure consistent page alignment of the data.
         * Note: assumes we have exclusive access to this mapping either
-        *       through inode->i_sem or some other mechanism.
+        *       through inode->i_mutex or some other mechanism.
         */
        if (page->index == 0)
                invalidate_inode_pages2_range(inode->i_mapping, PAGE_CACHE_SIZE, -1);
@@ -573,7 +573,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 
 loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int origin)
 {
-       down(&filp->f_dentry->d_inode->i_sem);
+       mutex_lock(&filp->f_dentry->d_inode->i_mutex);
        switch (origin) {
                case 1:
                        offset += filp->f_pos;
@@ -589,7 +589,7 @@ loff_t nfs_llseek_dir(struct file *filp, loff_t offset, int origin)
                ((struct nfs_open_context *)filp->private_data)->dir_cookie = 0;
        }
 out:
-       up(&filp->f_dentry->d_inode->i_sem);
+       mutex_unlock(&filp->f_dentry->d_inode->i_mutex);
        return offset;
 }
 
@@ -1001,7 +1001,7 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
        openflags &= ~(O_CREAT|O_TRUNC);
 
        /*
-        * Note: we're not holding inode->i_sem and so may be racing with
+        * Note: we're not holding inode->i_mutex and so may be racing with
         * operations that change the directory. We therefore save the
         * change attribute *before* we do the RPC call.
         */
@@ -1051,7 +1051,7 @@ static struct dentry *nfs_readdir_lookup(nfs_readdir_descriptor_t *desc)
                return dentry;
        if (!desc->plus || !(entry->fattr->valid & NFS_ATTR_FATTR))
                return NULL;
-       /* Note: caller is already holding the dir->i_sem! */
+       /* Note: caller is already holding the dir->i_mutex! */
        dentry = d_alloc(parent, &name);
        if (dentry == NULL)
                return NULL;
@@ -1287,6 +1287,7 @@ dentry->d_parent->d_name.name, dentry->d_name.name);
                nfs_begin_data_update(dentry->d_inode);
                error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
                                dir, &qsilly);
+               nfs_mark_for_revalidate(dentry->d_inode);
                nfs_end_data_update(dentry->d_inode);
        } else
                error = NFS_PROTO(dir)->rename(dir, &dentry->d_name,
@@ -1334,6 +1335,7 @@ static int nfs_safe_remove(struct dentry *dentry)
                /* The VFS may want to delete this inode */
                if (error == 0)
                        inode->i_nlink--;
+               nfs_mark_for_revalidate(inode);
                nfs_end_data_update(inode);
        } else
                error = NFS_PROTO(dir)->remove(dir, &dentry->d_name);
@@ -1548,14 +1550,17 @@ go_ahead:
        }
        nfs_inode_return_delegation(old_inode);
 
-       if (new_inode)
+       if (new_inode != NULL) {
+               nfs_inode_return_delegation(new_inode);
                d_delete(new_dentry);
+       }
 
        nfs_begin_data_update(old_dir);
        nfs_begin_data_update(new_dir);
        nfs_begin_data_update(old_inode);
        error = NFS_PROTO(old_dir)->rename(old_dir, &old_dentry->d_name,
                                           new_dir, &new_dentry->d_name);
+       nfs_mark_for_revalidate(old_inode);
        nfs_end_data_update(old_inode);
        nfs_end_data_update(new_dir);
        nfs_end_data_update(old_dir);