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Date: Sun, 19 Mar 2023 15:51:30 +0800 From: Yangtao Li <frank.li@...o.com> To: Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org> Cc: Yangtao Li <frank.li@...o.com>, linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org Subject: [PATCH v2] f2fs: add compression feature check for all compress mount opt 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@...o.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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