btrfs: Split btrfs_del_delalloc_inode into 2 functions

[sfrench/cifs-2.6.git] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 1f091c2358a408b340b2172848246021b07bb307..8e604e7071f14cf166652369e6f167fab5b5f462 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1,19 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (C) 2007 Oracle.  All rights reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License v2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 021110-1307, USA.
  */
 
 #include <linux/kernel.h>
@@ -44,6 +31,7 @@
 #include <linux/uio.h>
 #include <linux/magic.h>
 #include <linux/iversion.h>
+#include <asm/unaligned.h>
 #include "ctree.h"
 #include "disk-io.h"
 #include "transaction.h"
@@ -1754,12 +1742,12 @@ static void btrfs_add_delalloc_inodes(struct btrfs_root *root,
        spin_unlock(&root->delalloc_lock);
 }
 
-static void btrfs_del_delalloc_inode(struct btrfs_root *root,
-                                    struct btrfs_inode *inode)
+
+void __btrfs_del_delalloc_inode(struct btrfs_root *root,
+                               struct btrfs_inode *inode)
 {
        struct btrfs_fs_info *fs_info = btrfs_sb(inode->vfs_inode.i_sb);
 
-       spin_lock(&root->delalloc_lock);
        if (!list_empty(&inode->delalloc_inodes)) {
                list_del_init(&inode->delalloc_inodes);
                clear_bit(BTRFS_INODE_IN_DELALLOC_LIST,
@@ -1772,6 +1760,13 @@ static void btrfs_del_delalloc_inode(struct btrfs_root *root,
                        spin_unlock(&fs_info->delalloc_root_lock);
                }
        }
+}
+
+static void btrfs_del_delalloc_inode(struct btrfs_root *root,
+                                    struct btrfs_inode *inode)
+{
+       spin_lock(&root->delalloc_lock);
+       __btrfs_del_delalloc_inode(root, inode);
        spin_unlock(&root->delalloc_lock);
 }
 
@@ -5918,11 +5913,13 @@ static int btrfs_filldir(void *addr, int entries, struct dir_context *ctx)
                struct dir_entry *entry = addr;
                char *name = (char *)(entry + 1);
 
-               ctx->pos = entry->offset;
-               if (!dir_emit(ctx, name, entry->name_len, entry->ino,
-                             entry->type))
+               ctx->pos = get_unaligned(&entry->offset);
+               if (!dir_emit(ctx, name, get_unaligned(&entry->name_len),
+                                        get_unaligned(&entry->ino),
+                                        get_unaligned(&entry->type)))
                        return 1;
-               addr += sizeof(struct dir_entry) + entry->name_len;
+               addr += sizeof(struct dir_entry) +
+                       get_unaligned(&entry->name_len);
                ctx->pos++;
        }
        return 0;
@@ -6012,14 +6009,15 @@ again:
                }
 
                entry = addr;
-               entry->name_len = name_len;
+               put_unaligned(name_len, &entry->name_len);
                name_ptr = (char *)(entry + 1);
                read_extent_buffer(leaf, name_ptr, (unsigned long)(di + 1),
                                   name_len);
-               entry->type = btrfs_filetype_table[btrfs_dir_type(leaf, di)];
+               put_unaligned(btrfs_filetype_table[btrfs_dir_type(leaf, di)],
+                               &entry->type);
                btrfs_dir_item_key_to_cpu(leaf, di, &location);
-               entry->ino = location.objectid;
-               entry->offset = found_key.offset;
+               put_unaligned(location.objectid, &entry->ino);
+               put_unaligned(found_key.offset, &entry->offset);
                entries++;
                addr += sizeof(struct dir_entry) + name_len;
                total_len += sizeof(struct dir_entry) + name_len;