Commit d4998b78 authored by Yangtao Li's avatar Yangtao Li Committed by Jaegeuk Kim
Browse files

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: default avatarYangtao Li <frank.li@vivo.com>
Reviewed-by: default avatarChao Yu <chao@kernel.org>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent c0abbdf2

fs/f2fs/super.c

+12 −0
Original line number Original line Diff line number Diff line
@@ -1179,9 +1179,17 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) 
			kfree(name);

			kfree(name);

			break;

			break;

		case Opt_compress_chksum:

		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;

			F2FS_OPTION(sbi).compress_chksum = true;

			break;

			break;

		case Opt_compress_mode:

		case Opt_compress_mode:

			if (!f2fs_sb_has_compression(sbi)) {

				f2fs_info(sbi, "Image doesn't support compression");

				break;

			}

			name = match_strdup(&args[0]);

			name = match_strdup(&args[0]);

			if (!name)

			if (!name)

				return -ENOMEM;

				return -ENOMEM;
@@ -1196,6 +1204,10 @@ static int parse_options(struct super_block *sb, char *options, bool is_remount) 
			kfree(name);

			kfree(name);

			break;

			break;

		case Opt_compress_cache:

		case Opt_compress_cache:

			if (!f2fs_sb_has_compression(sbi)) {

				f2fs_info(sbi, "Image doesn't support compression");

				break;

			}

			set_opt(sbi, COMPRESS_CACHE);

			set_opt(sbi, COMPRESS_CACHE);

			break;

			break;

#else

#else