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Subject[PATCH v2] f2fs: add compression feature check for all compress mount opt
Date
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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