f2fs: Allow sbi to be NULL in f2fs_printk

At the parsing phase of the new mount api, sbi will not be
available. So here allows sbi to be NULL in f2fs log helpers
and use that in handle_mount_opt().

Signed-off-by: Hongbo Li <[email protected]>
[sandeen: forward port]
Signed-off-by: Eric Sandeen <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>

Author: Hongbo Li

fs/f2fs/super.c

@@ -325,11 +325,19 @@ void f2fs_printk(struct f2fs_sb_info *sbi, bool limit_rate,
 	vaf.fmt = printk_skip_level(fmt);
 	vaf.va = &args;
 	if (limit_rate)
-		printk_ratelimited("%c%cF2FS-fs (%s): %pV\n",
-			KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+		if (sbi)
+			printk_ratelimited("%c%cF2FS-fs (%s): %pV\n",
+				KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+		else
+			printk_ratelimited("%c%cF2FS-fs: %pV\n",
+				KERN_SOH_ASCII, level, &vaf);
 	else
-		printk("%c%cF2FS-fs (%s): %pV\n",
-			KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+		if (sbi)
+			printk("%c%cF2FS-fs (%s): %pV\n",
+				KERN_SOH_ASCII, level, sbi->sb->s_id, &vaf);
+		else
+			printk("%c%cF2FS-fs: %pV\n",
+				KERN_SOH_ASCII, level, &vaf);
 
 	va_end(args);
 }
@@ -739,21 +747,21 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 	case Opt_discard:
 		if (result.negated) {
 			if (f2fs_hw_should_discard(sbi)) {
-				f2fs_warn(sbi, "discard is required for zoned block devices");
+				f2fs_warn(NULL, "discard is required for zoned block devices");
 				return -EINVAL;
 			}
 			clear_opt(sbi, DISCARD);
 		} else {
 			if (!f2fs_hw_support_discard(sbi)) {
-				f2fs_warn(sbi, "device does not support discard");
+				f2fs_warn(NULL, "device does not support discard");
 				break;
 			}
 			set_opt(sbi, DISCARD);
 		}
 		break;
 	case Opt_noheap:
 	case Opt_heap:
-		f2fs_warn(sbi, "heap/no_heap options were deprecated");
+		f2fs_warn(NULL, "heap/no_heap options were deprecated");
 		break;
 #ifdef CONFIG_F2FS_FS_XATTR
 	case Opt_user_xattr:
@@ -776,7 +784,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 	case Opt_user_xattr:
 	case Opt_inline_xattr:
 	case Opt_inline_xattr_size:
-		f2fs_info(sbi, "%s options not supported", param->key);
+		f2fs_info(NULL, "%s options not supported", param->key);
 		break;
 #endif
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
@@ -788,7 +796,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 		break;
 #else
 	case Opt_acl:
-		f2fs_info(sbi, "%s options not supported", param->key);
+		f2fs_info(NULL, "%s options not supported", param->key);
 		break;
 #endif
 	case Opt_active_logs:
@@ -842,7 +850,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 		break;
 	case Opt_reserve_root:
 		if (test_opt(sbi, RESERVE_ROOT)) {
-			f2fs_info(sbi, "Preserve previous reserve_root=%u",
+			f2fs_info(NULL, "Preserve previous reserve_root=%u",
 				  F2FS_OPTION(sbi).root_reserved_blocks);
 		} else {
 			F2FS_OPTION(sbi).root_reserved_blocks = result.int_32;
@@ -873,7 +881,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 #else
 	case Opt_fault_injection:
 	case Opt_fault_type:
-		f2fs_info(sbi, "%s options not supported", param->key);
+		f2fs_info(NULL, "%s options not supported", param->key);
 		break;
 #endif
 	case Opt_lazytime:
@@ -936,7 +944,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 	case Opt_usrjquota:
 	case Opt_grpjquota:
 	case Opt_prjjquota:
-		f2fs_info(sbi, "quota operations not supported");
+		f2fs_info(NULL, "quota operations not supported");
 		break;
 #endif
 	case Opt_alloc:
@@ -954,7 +962,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 #ifdef CONFIG_FS_ENCRYPTION_INLINE_CRYPT
 		set_opt(sbi, INLINECRYPT);
 #else
-		f2fs_info(sbi, "inline encryption not supported");
+		f2fs_info(NULL, "inline encryption not supported");
 #endif
 		break;
 	case Opt_checkpoint:
@@ -1001,7 +1009,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	case Opt_compress_algorithm:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		name = param->string;
@@ -1010,7 +1018,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 			F2FS_OPTION(sbi).compress_level = 0;
 			F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZO;
 #else
-			f2fs_info(sbi, "kernel doesn't support lzo compression");
+			f2fs_info(NULL, "kernel doesn't support lzo compression");
 #endif
 		} else if (!strncmp(name, "lz4", 3)) {
 #ifdef CONFIG_F2FS_FS_LZ4
@@ -1019,7 +1027,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 				return -EINVAL;
 			F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZ4;
 #else
-			f2fs_info(sbi, "kernel doesn't support lz4 compression");
+			f2fs_info(NULL, "kernel doesn't support lz4 compression");
 #endif
 		} else if (!strncmp(name, "zstd", 4)) {
 #ifdef CONFIG_F2FS_FS_ZSTD
@@ -1028,34 +1036,34 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 				return -EINVAL;
 			F2FS_OPTION(sbi).compress_algorithm = COMPRESS_ZSTD;
 #else
-			f2fs_info(sbi, "kernel doesn't support zstd compression");
+			f2fs_info(NULL, "kernel doesn't support zstd compression");
 #endif
 		} else if (!strcmp(name, "lzo-rle")) {
 #ifdef CONFIG_F2FS_FS_LZORLE
 			F2FS_OPTION(sbi).compress_level = 0;
 			F2FS_OPTION(sbi).compress_algorithm = COMPRESS_LZORLE;
 #else
-			f2fs_info(sbi, "kernel doesn't support lzorle compression");
+			f2fs_info(NULL, "kernel doesn't support lzorle compression");
 #endif
 		} else
 			return -EINVAL;
 		break;
 	case Opt_compress_log_size:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		if (result.uint_32 < MIN_COMPRESS_LOG_SIZE ||
 		    result.uint_32 > MAX_COMPRESS_LOG_SIZE) {
-			f2fs_err(sbi,
+			f2fs_err(NULL,
 				"Compress cluster log size is out of range");
 			return -EINVAL;
 		}
 		F2FS_OPTION(sbi).compress_log_size = result.uint_32;
 		break;
 	case Opt_compress_extension:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		name = param->string;
@@ -1064,7 +1072,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 
 		if (strlen(name) >= F2FS_EXTENSION_LEN ||
 		    ext_cnt >= COMPRESS_EXT_NUM) {
-			f2fs_err(sbi, "invalid extension length/number");
+			f2fs_err(NULL, "invalid extension length/number");
 			return -EINVAL;
 		}
 
@@ -1078,7 +1086,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 		break;
 	case Opt_nocompress_extension:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		name = param->string;
@@ -1087,7 +1095,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 
 		if (strlen(name) >= F2FS_EXTENSION_LEN ||
 			noext_cnt >= COMPRESS_EXT_NUM) {
-			f2fs_err(sbi, "invalid extension length/number");
+			f2fs_err(NULL, "invalid extension length/number");
 			return -EINVAL;
 		}
 
@@ -1101,21 +1109,21 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 		break;
 	case Opt_compress_chksum:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "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");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		F2FS_OPTION(sbi).compress_mode = result.uint_32;
 		break;
 	case Opt_compress_cache:
 		if (!f2fs_sb_has_compression(sbi)) {
-			f2fs_info(sbi, "Image doesn't support compression");
+			f2fs_info(NULL, "Image doesn't support compression");
 			break;
 		}
 		set_opt(sbi, COMPRESS_CACHE);
@@ -1128,7 +1136,7 @@ static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
 	case Opt_compress_chksum:
 	case Opt_compress_mode:
 	case Opt_compress_cache:
-		f2fs_info(sbi, "compression options not supported");
+		f2fs_info(NULL, "compression options not supported");
 		break;
 #endif
 	case Opt_atgc:
@@ -1213,17 +1221,17 @@ static int f2fs_validate_options(struct f2fs_sb_info *sbi)
 		return -EINVAL;
 #else
 	if (f2fs_sb_has_quota_ino(sbi) && !f2fs_readonly(sbi->sb)) {
-		f2fs_info(sbi, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
+		f2fs_info(NULL, "Filesystem with quota feature cannot be mounted RDWR without CONFIG_QUOTA");
 		return -EINVAL;
 	}
 	if (f2fs_sb_has_project_quota(sbi) && !f2fs_readonly(sbi->sb)) {
-		f2fs_err(sbi, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA");
+		f2fs_err(NULL, "Filesystem with project quota feature cannot be mounted RDWR without CONFIG_QUOTA");
 		return -EINVAL;
 	}
 #endif
 
 	if (!IS_ENABLED(CONFIG_UNICODE) && f2fs_sb_has_casefold(sbi)) {
-		f2fs_err(sbi,
+		f2fs_err(NULL,
 			"Filesystem with casefold feature cannot be mounted without CONFIG_UNICODE");
 		return -EINVAL;
 	}
@@ -1237,24 +1245,24 @@ static int f2fs_validate_options(struct f2fs_sb_info *sbi)
 #ifdef CONFIG_BLK_DEV_ZONED
 		if (F2FS_OPTION(sbi).discard_unit !=
 						DISCARD_UNIT_SECTION) {
-			f2fs_info(sbi, "Zoned block device doesn't need small discard, set discard_unit=section by default");
+			f2fs_info(NULL, "Zoned block device doesn't need small discard, set discard_unit=section by default");
 			F2FS_OPTION(sbi).discard_unit =
 					DISCARD_UNIT_SECTION;
 		}
 
 		if (F2FS_OPTION(sbi).fs_mode != FS_MODE_LFS) {
-			f2fs_info(sbi, "Only lfs mode is allowed with zoned block device feature");
+			f2fs_info(NULL, "Only lfs mode is allowed with zoned block device feature");
 			return -EINVAL;
 		}
 #else
-		f2fs_err(sbi, "Zoned block device support is not enabled");
+		f2fs_err(NULL, "Zoned block device support is not enabled");
 		return -EINVAL;
 #endif
 	}
 
 #ifdef CONFIG_F2FS_FS_COMPRESSION
 	if (f2fs_test_compress_extension(sbi)) {
-		f2fs_err(sbi, "invalid compress or nocompress extension");
+		f2fs_err(NULL, "invalid compress or nocompress extension");
 		return -EINVAL;
 	}
 #endif
@@ -1264,11 +1272,11 @@ static int f2fs_validate_options(struct f2fs_sb_info *sbi)
 
 		if (!f2fs_sb_has_extra_attr(sbi) ||
 			!f2fs_sb_has_flexible_inline_xattr(sbi)) {
-			f2fs_err(sbi, "extra_attr or flexible_inline_xattr feature is off");
+			f2fs_err(NULL, "extra_attr or flexible_inline_xattr feature is off");
 			return -EINVAL;
 		}
 		if (!test_opt(sbi, INLINE_XATTR)) {
-			f2fs_err(sbi, "inline_xattr_size option should be set with inline_xattr option");
+			f2fs_err(NULL, "inline_xattr_size option should be set with inline_xattr option");
 			return -EINVAL;
 		}
 
@@ -1277,24 +1285,24 @@ static int f2fs_validate_options(struct f2fs_sb_info *sbi)
 
 		if (F2FS_OPTION(sbi).inline_xattr_size < min_size ||
 				F2FS_OPTION(sbi).inline_xattr_size > max_size) {
-			f2fs_err(sbi, "inline xattr size is out of range: %d ~ %d",
+			f2fs_err(NULL, "inline xattr size is out of range: %d ~ %d",
 				 min_size, max_size);
 			return -EINVAL;
 		}
 	}
 
 	if (test_opt(sbi, ATGC) && f2fs_lfs_mode(sbi)) {
-		f2fs_err(sbi, "LFS is not compatible with ATGC");
+		f2fs_err(NULL, "LFS is not compatible with ATGC");
 		return -EINVAL;
 	}
 
 	if (f2fs_is_readonly(sbi) && test_opt(sbi, FLUSH_MERGE)) {
-		f2fs_err(sbi, "FLUSH_MERGE not compatible with readonly mode");
+		f2fs_err(NULL, "FLUSH_MERGE not compatible with readonly mode");
 		return -EINVAL;
 	}
 
 	if (f2fs_sb_has_readonly(sbi) && !f2fs_readonly(sbi->sb)) {
-		f2fs_err(sbi, "Allow to mount readonly mode only");
+		f2fs_err(NULL, "Allow to mount readonly mode only");
 		return -EROFS;
 	}