wrappers for ->i_mutex access
parallel to mutex_{lock,unlock,trylock,is_locked,lock_nested},
inode_foo(inode) being mutex_foo(&inode->i_mutex).
Please, use those for access to ->i_mutex; over the coming cycle
->i_mutex will become rwsem, with ->lookup() done with it held
only shared.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ba762ea..2c3aeab 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -346,9 +346,9 @@
struct inode *bd_inode = bdev_file_inode(file);
loff_t retval;
- mutex_lock(&bd_inode->i_mutex);
+ inode_lock(bd_inode);
retval = fixed_size_llseek(file, offset, whence, i_size_read(bd_inode));
- mutex_unlock(&bd_inode->i_mutex);
+ inode_unlock(bd_inode);
return retval;
}
@@ -1142,9 +1142,9 @@
{
unsigned bsize = bdev_logical_block_size(bdev);
- mutex_lock(&bdev->bd_inode->i_mutex);
+ inode_lock(bdev->bd_inode);
i_size_write(bdev->bd_inode, size);
- mutex_unlock(&bdev->bd_inode->i_mutex);
+ inode_unlock(bdev->bd_inode);
while (bsize < PAGE_CACHE_SIZE) {
if (size & bsize)
break;
@@ -1741,9 +1741,9 @@
struct inode *bd_inode = bdev_file_inode(vma->vm_file);
struct block_device *bdev = I_BDEV(bd_inode);
- mutex_lock(&bd_inode->i_mutex);
+ inode_lock(bd_inode);
bdev->bd_map_count++;
- mutex_unlock(&bd_inode->i_mutex);
+ inode_unlock(bd_inode);
}
static void blkdev_vm_close(struct vm_area_struct *vma)
@@ -1751,9 +1751,9 @@
struct inode *bd_inode = bdev_file_inode(vma->vm_file);
struct block_device *bdev = I_BDEV(bd_inode);
- mutex_lock(&bd_inode->i_mutex);
+ inode_lock(bd_inode);
bdev->bd_map_count--;
- mutex_unlock(&bd_inode->i_mutex);
+ inode_unlock(bd_inode);
}
static const struct vm_operations_struct blkdev_dax_vm_ops = {
@@ -1777,7 +1777,7 @@
struct block_device *bdev = I_BDEV(bd_inode);
file_accessed(file);
- mutex_lock(&bd_inode->i_mutex);
+ inode_lock(bd_inode);
bdev->bd_map_count++;
if (IS_DAX(bd_inode)) {
vma->vm_ops = &blkdev_dax_vm_ops;
@@ -1785,7 +1785,7 @@
} else {
vma->vm_ops = &blkdev_default_vm_ops;
}
- mutex_unlock(&bd_inode->i_mutex);
+ inode_unlock(bd_inode);
return 0;
}