reiserfs: fix unwanted reiserfs lock recursion

[uclinux-h8/linux.git] / fs / reiserfs / ioctl.c

diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 679d502..5cbb81e 100644 (file)
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -170,6 +170,7 @@ int reiserfs_prepare_write(struct file *f, struct page *page,
 int reiserfs_unpack(struct inode *inode, struct file *filp)
 {
        int retval = 0;
+       int depth;
        int index;
        struct page *page;
        struct address_space *mapping;
@@ -189,7 +190,7 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
         ** us
         */
        reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
-       reiserfs_write_lock(inode->i_sb);
+       depth = reiserfs_write_lock_once(inode->i_sb);
 
        write_from = inode->i_size & (blocksize - 1);
        /* if we are on a block boundary, we are already unpacked.  */
@@ -224,6 +225,6 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
 
       out:
        mutex_unlock(&inode->i_mutex);
-       reiserfs_write_unlock(inode->i_sb);
+       reiserfs_write_unlock_once(inode->i_sb, depth);
        return retval;
 }