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* [PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails
@ 2016-08-26 14:40 Quorum Laval
  2016-08-29 20:53 ` Dave Kleikamp
  0 siblings, 1 reply; 2+ messages in thread
From: Quorum Laval @ 2016-08-26 14:40 UTC (permalink / raw)
  To: shaggy; +Cc: jfs-discussion, linux-kernel, quorum.laval

filemap_fdatawait/filemap_write_and_wait may fail, so check the return
value and jump to error_out in the case of error.

Signed-off-by: Quorum Laval <quorum.laval@gmail.com>
---
 fs/jfs/resize.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
index 90b3bc2..bd9b641 100644
--- a/fs/jfs/resize.c
+++ b/fs/jfs/resize.c
@@ -379,8 +379,14 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
 	 * cached in meta-data cache, and not written out
 	 * by txCommit();
 	 */
-	filemap_fdatawait(ipbmap->i_mapping);
-	filemap_write_and_wait(ipbmap->i_mapping);
+	rc = filemap_fdatawait(ipbmap->i_mapping);
+	if (rc)
+		goto error_out;
+
+	rc = filemap_write_and_wait(ipbmap->i_mapping);
+	if (rc)
+		goto error_out;
+
 	diWriteSpecial(ipbmap, 0);
 
 	newPage = nPages;	/* first new page number */
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails
  2016-08-26 14:40 [PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails Quorum Laval
@ 2016-08-29 20:53 ` Dave Kleikamp
  0 siblings, 0 replies; 2+ messages in thread
From: Dave Kleikamp @ 2016-08-29 20:53 UTC (permalink / raw)
  To: Quorum Laval; +Cc: jfs-discussion, linux-kernel

On 08/26/2016 09:40 AM, Quorum Laval wrote:
> filemap_fdatawait/filemap_write_and_wait may fail, so check the return
> value and jump to error_out in the case of error.
> 
> Signed-off-by: Quorum Laval <quorum.laval@gmail.com>

This looks good. I'll push it upstream.

Thanks,
Dave

> ---
>  fs/jfs/resize.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/jfs/resize.c b/fs/jfs/resize.c
> index 90b3bc2..bd9b641 100644
> --- a/fs/jfs/resize.c
> +++ b/fs/jfs/resize.c
> @@ -379,8 +379,14 @@ int jfs_extendfs(struct super_block *sb, s64 newLVSize, int newLogSize)
>  	 * cached in meta-data cache, and not written out
>  	 * by txCommit();
>  	 */
> -	filemap_fdatawait(ipbmap->i_mapping);
> -	filemap_write_and_wait(ipbmap->i_mapping);
> +	rc = filemap_fdatawait(ipbmap->i_mapping);
> +	if (rc)
> +		goto error_out;
> +
> +	rc = filemap_write_and_wait(ipbmap->i_mapping);
> +	if (rc)
> +		goto error_out;
> +
>  	diWriteSpecial(ipbmap, 0);
>  
>  	newPage = nPages;	/* first new page number */
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-08-26 14:40 [PATCH] jfs: jump to error_out when filemap_{fdatawait, write_and_wait} fails Quorum Laval
2016-08-29 20:53 ` Dave Kleikamp

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