diff mbox series

ext4: remove unnecessary test_opt for DIOREAD_NOLOCK

Message ID 1586751862-19437-1-git-send-email-kaixuxia@tencent.com
State Accepted
Headers show
Series ext4: remove unnecessary test_opt for DIOREAD_NOLOCK | expand

Commit Message

kaixuxia April 13, 2020, 4:24 a.m. UTC
From: Kaixu Xia <kaixuxia@tencent.com>

The DIOREAD_NOLOCK flag has been cleared when doing the test_opt
that is meaningless, so remove the unnecessary test_opt for DIOREAD_NOLOCK.

Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
---
 fs/ext4/super.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

Comments

Ritesh Harjani April 13, 2020, 4:38 a.m. UTC | #1
On 4/13/20 9:54 AM, xiakaixu1987@gmail.com wrote:
> From: Kaixu Xia <kaixuxia@tencent.com>
> 
> The DIOREAD_NOLOCK flag has been cleared when doing the test_opt
> that is meaningless, so remove the unnecessary test_opt for DIOREAD_NOLOCK.
> 
> Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>

Make sense.
Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com>


> ---
>   fs/ext4/super.c | 6 +-----
>   1 file changed, 1 insertion(+), 5 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 9728e7b0e84f..855874ea4b29 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -3973,17 +3973,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
> 
>   	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
>   		printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, and O_DIRECT support!\n");
> +		/* can't mount with both data=journal and dioread_nolock. */
>   		clear_opt(sb, DIOREAD_NOLOCK);
>   		if (test_opt2(sb, EXPLICIT_DELALLOC)) {
>   			ext4_msg(sb, KERN_ERR, "can't mount with "
>   				 "both data=journal and delalloc");
>   			goto failed_mount;
>   		}
> -		if (test_opt(sb, DIOREAD_NOLOCK)) {
> -			ext4_msg(sb, KERN_ERR, "can't mount with "
> -				 "both data=journal and dioread_nolock");
> -			goto failed_mount;
> -		}
>   		if (test_opt(sb, DAX)) {
>   			ext4_msg(sb, KERN_ERR, "can't mount with "
>   				 "both data=journal and dax");
>
Theodore Ts'o May 7, 2020, 3:01 p.m. UTC | #2
On Mon, Apr 13, 2020 at 12:24:22PM +0800, xiakaixu1987@gmail.com wrote:
> From: Kaixu Xia <kaixuxia@tencent.com>
> 
> The DIOREAD_NOLOCK flag has been cleared when doing the test_opt
> that is meaningless, so remove the unnecessary test_opt for DIOREAD_NOLOCK.
> 
> Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>

Applied, thanks.

					- Ted
diff mbox series

Patch

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9728e7b0e84f..855874ea4b29 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3973,17 +3973,13 @@  static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 
 	if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
 		printk_once(KERN_WARNING "EXT4-fs: Warning: mounting with data=journal disables delayed allocation, dioread_nolock, and O_DIRECT support!\n");
+		/* can't mount with both data=journal and dioread_nolock. */
 		clear_opt(sb, DIOREAD_NOLOCK);
 		if (test_opt2(sb, EXPLICIT_DELALLOC)) {
 			ext4_msg(sb, KERN_ERR, "can't mount with "
 				 "both data=journal and delalloc");
 			goto failed_mount;
 		}
-		if (test_opt(sb, DIOREAD_NOLOCK)) {
-			ext4_msg(sb, KERN_ERR, "can't mount with "
-				 "both data=journal and dioread_nolock");
-			goto failed_mount;
-		}
 		if (test_opt(sb, DAX)) {
 			ext4_msg(sb, KERN_ERR, "can't mount with "
 				 "both data=journal and dax");