filesystem freeze: add error handling of write_super_lockfs/unlockfs

[linux-2.6-omap-h63xx.git] / fs / buffer.c

diff --git a/fs/buffer.c b/fs/buffer.c
index 776ae091d3b0d58052aacb899e0954c3b191ae10..87f9e537b8c31eec7073c298a07bb80ea223d213 100644 (file)
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -221,8 +221,8 @@ struct super_block *freeze_bdev(struct block_device *bdev)
 
                sync_blockdev(sb->s_bdev);
 
-               if (sb->s_op->write_super_lockfs)
-                       sb->s_op->write_super_lockfs(sb);
+               if (sb->s_op->freeze_fs)
+                       sb->s_op->freeze_fs(sb);
        }
 
        sync_blockdev(bdev);
@@ -242,8 +242,8 @@ void thaw_bdev(struct block_device *bdev, struct super_block *sb)
        if (sb) {
                BUG_ON(sb->s_bdev != bdev);
 
-               if (sb->s_op->unlockfs)
-                       sb->s_op->unlockfs(sb);
+               if (sb->s_op->unfreeze_fs)
+                       sb->s_op->unfreeze_fs(sb);
                sb->s_frozen = SB_UNFROZEN;
                smp_wmb();
                wake_up(&sb->s_wait_unfrozen);
@@ -1996,7 +1996,7 @@ int block_write_begin(struct file *file, struct address_space *mapping,
        page = *pagep;
        if (page == NULL) {
                ownpage = 1;
-               page = __grab_cache_page(mapping, index);
+               page = grab_cache_page_write_begin(mapping, index, flags);
                if (!page) {
                        status = -ENOMEM;
                        goto out;
@@ -2022,7 +2022,6 @@ int block_write_begin(struct file *file, struct address_space *mapping,
                        if (pos + len > inode->i_size)
                                vmtruncate(inode, inode->i_size);
                }
-               goto out;
        }
 
 out:
@@ -2502,7 +2501,7 @@ int nobh_write_begin(struct file *file, struct address_space *mapping,
        from = pos & (PAGE_CACHE_SIZE - 1);
        to = from + len;
 
-       page = __grab_cache_page(mapping, index);
+       page = grab_cache_page_write_begin(mapping, index, flags);
        if (!page)
                return -ENOMEM;
        *pagep = page;