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From: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
To: <linux-btrfs@vger.kernel.org>
Subject: [PATCH] Btrfs-progs: save us an unnecessary ioctl call
Date: Tue, 13 May 2014 17:05:05 +0800	[thread overview]
Message-ID: <1399971906-1237-1-git-send-email-wangsl.fnst@cn.fujitsu.com> (raw)

Btrfs device id start from 1, not 0.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
---
 utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/utils.c b/utils.c
index 560c557..d480353 100644
--- a/utils.c
+++ b/utils.c
@@ -1765,7 +1765,7 @@ int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args,
 		goto out;
 	}
 
-	for (; i <= fi_args->max_id; ++i) {
+	for (i = 1; i <= fi_args->max_id; ++i) {
 		BUG_ON(ndevs >= fi_args->num_devices);
 		ret = get_device_info(fd, i, &di_args[ndevs]);
 		if (ret == -ENODEV)
-- 
1.8.2.1


             reply	other threads:[~2014-05-13  9:08 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-13  9:05 Wang Shilong [this message]
2014-05-13  9:05 ` [PATCH] Btrfs: set right total device count for seeding support Wang Shilong
2014-05-16 14:14   ` Anand Jain
2014-05-16 14:44     ` Anand Jain
2014-05-16 14:50       ` Shilong Wang
2014-05-16 15:06         ` Anand Jain
2014-05-16 14:45     ` Shilong Wang
2014-05-13 10:48 ` [PATCH] Btrfs-progs: save us an unnecessary ioctl call Stefan Behrens
2014-05-13 11:26   ` Wang Shilong
2014-05-14  5:32 ` Anand Jain
2014-05-15 17:06 ` David Sterba
2014-05-16  4:32   ` Anand Jain
2014-05-16  4:58     ` Wang Shilong
2014-05-16 12:14       ` David Sterba

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