[f2fs-dev] [PATCH v2] f2fs: add compression feature check for all compress mount opt

[f2fs-dev] [PATCH v2] f2fs: add compression feature check for all compress mount opt

[Yangtao Li via Linux-f2fs-devel]

Opt_compress_chksum, Opt_compress_mode and Opt_compress_cache
lack the necessary check to see if the image supports compression,
let's add it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
---
v2:
-drop f2fs_mount_opt_need_skip()
 fs/f2fs/super.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 9c87d91df61b..a88706bbfc0d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1179,9 +1179,17 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 			kfree(name);
 			break;
 		case Opt_compress_chksum:
+			if (!f2fs_sb_has_compression(sbi)) {
+				f2fs_info(sbi, "Image doesn't support compression");
+				break;
+			}
 			F2FS_OPTION(sbi).compress_chksum = true;
 			break;
 		case Opt_compress_mode:
+			if (!f2fs_sb_has_compression(sbi)) {
+				f2fs_info(sbi, "Image doesn't support compression");
+				break;
+			}
 			name = match_strdup(&args[0]);
 			if (!name)
 				return -ENOMEM;
@@ -1196,6 +1204,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount)
 			kfree(name);
 			break;
 		case Opt_compress_cache:
+			if (!f2fs_sb_has_compression(sbi)) {
+				f2fs_info(sbi, "Image doesn't support compression");
+				break;
+			}
 			set_opt(sbi, COMPRESS_CACHE);
 			break;
 #else
-- 
2.35.1



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Re: [f2fs-dev] [PATCH v2] f2fs: add compression feature check for all compress mount opt

[Chao Yu]

On 2023/3/19 15:51, Yangtao Li wrote:
> Opt_compress_chksum, Opt_compress_mode and Opt_compress_cache
> lack the necessary check to see if the image supports compression,
> let's add it.
> 
> Signed-off-by: Yangtao Li <frank.li@vivo.com>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,


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Re: [f2fs-dev] [PATCH v2] f2fs: add compression feature check for all compress mount opt

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@kernel.org>:

On Sun, 19 Mar 2023 15:51:30 +0800 you wrote:
> Opt_compress_chksum, Opt_compress_mode and Opt_compress_cache
> lack the necessary check to see if the image supports compression,
> let's add it.
> 
> Signed-off-by: Yangtao Li <frank.li@vivo.com>
> ---
> v2:
> -drop f2fs_mount_opt_need_skip()
>  fs/f2fs/super.c | 12 ++++++++++++
>  1 file changed, 12 insertions(+)

Here is the summary with links:
  - [f2fs-dev,v2] f2fs: add compression feature check for all compress mount opt
    https://git.kernel.org/jaegeuk/f2fs/c/2f3d837dbaa0

You are awesome, thank you!
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