From: Rakesh Pandit <rakesh@tuxera.com>
Date: Tue, 22 Apr 2014 13:30:27 +0000 (+0300)
Subject: Btrfs-progs: fix check to test trim support
X-Git-Tag: upstream/4.16.1~2858
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=726bc372b9529a11c79dea75f2bcc8ef8a34d67a;p=platform%2Fupstream%2Fbtrfs-progs.git

Btrfs-progs: fix check to test trim support

It was added in 25d82d22 but broke recently in 4724d7b0 while making
discard interruptible.

Signed-off-by: Rakesh Pandit <rakesh@tuxera.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
---

diff --git a/utils.c b/utils.c
index 3e9c527..187ad3b 100644
--- a/utils.c
+++ b/utils.c
@@ -626,7 +626,7 @@ int btrfs_prepare_device(int fd, char *file, int zero_end, u64 *block_count_ret,
 		 * is not necessary for the mkfs functionality but just an
 		 * optimization.
 		 */
-		if (discard_blocks(fd, 0, 0) == 0) {
+		if (discard_range(fd, 0, 0) == 0) {
 			fprintf(stderr, "Performing full device TRIM (%s) ...\n",
 				pretty_size(block_count));
 			discard_blocks(fd, 0, block_count);