---

yaml --- r: 83389 b: refs/heads/master c: 96c5865 h: refs/heads/master i: 83387: a97a169 v: v3
git-mirror · Feb 6, 2008 · 0075d73 · 0075d73
1 parent d3a3dae
commit 0075d73
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Showing 3 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a3b81113fb6658629f4ebaabf8dd3067cd341020
+refs/heads/master: 96c5865559cee0f9cbc5173f3c949f6ce3525581
diff --git a/trunk/drivers/block/loop.c b/trunk/drivers/block/loop.c
@@ -973,6 +973,10 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info)
 	lo->transfer = xfer->transfer;
 	lo->ioctl = xfer->ioctl;
 
+	if ((lo->lo_flags & LO_FLAGS_AUTOCLEAR) !=
+	     (info->lo_flags & LO_FLAGS_AUTOCLEAR))
+		lo->lo_flags ^= LO_FLAGS_AUTOCLEAR;
+
 	lo->lo_encrypt_key_size = info->lo_encrypt_key_size;
 	lo->lo_init[0] = info->lo_init[0];
 	lo->lo_init[1] = info->lo_init[1];
@@ -1331,6 +1335,10 @@ static int lo_release(struct inode *inode, struct file *file)
 
 	mutex_lock(&lo->lo_ctl_mutex);
 	--lo->lo_refcnt;
+
+	if ((lo->lo_flags & LO_FLAGS_AUTOCLEAR) && !lo->lo_refcnt)
+		loop_clr_fd(lo, inode->i_bdev);
+
 	mutex_unlock(&lo->lo_ctl_mutex);
 
 	return 0;

diff --git a/trunk/include/linux/loop.h b/trunk/include/linux/loop.h
@@ -76,6 +76,7 @@ struct loop_device {
 enum {
 	LO_FLAGS_READ_ONLY	= 1,
 	LO_FLAGS_USE_AOPS	= 2,
+	LO_FLAGS_AUTOCLEAR	= 4,
 };
 
 #include <asm/posix_types.h>	/* for __kernel_old_dev_t */