btrfs: move mount option definitions to fs.h

These are fs wide definitions and helpers, move them out of ctree.h and
into fs.h.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 63 insertions, 0 deletions

diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h
index 682542ed964f..4799812a7351 100644
--- a/fs/btrfs/fs.h
+++ b/fs/btrfs/fs.h
@@ -34,6 +34,49 @@ enum {
 	BTRFS_FS_STATE_COUNT
 };
 
+/*
+ * Flags for mount options.
+ *
+ * Note: don't forget to add new options to btrfs_show_options()
+ */
+enum {
+	BTRFS_MOUNT_NODATASUM			= (1UL << 0),
+	BTRFS_MOUNT_NODATACOW			= (1UL << 1),
+	BTRFS_MOUNT_NOBARRIER			= (1UL << 2),
+	BTRFS_MOUNT_SSD				= (1UL << 3),
+	BTRFS_MOUNT_DEGRADED			= (1UL << 4),
+	BTRFS_MOUNT_COMPRESS			= (1UL << 5),
+	BTRFS_MOUNT_NOTREELOG   		= (1UL << 6),
+	BTRFS_MOUNT_FLUSHONCOMMIT		= (1UL << 7),
+	BTRFS_MOUNT_SSD_SPREAD			= (1UL << 8),
+	BTRFS_MOUNT_NOSSD			= (1UL << 9),
+	BTRFS_MOUNT_DISCARD_SYNC		= (1UL << 10),
+	BTRFS_MOUNT_FORCE_COMPRESS      	= (1UL << 11),
+	BTRFS_MOUNT_SPACE_CACHE			= (1UL << 12),
+	BTRFS_MOUNT_CLEAR_CACHE			= (1UL << 13),
+	BTRFS_MOUNT_USER_SUBVOL_RM_ALLOWED	= (1UL << 14),
+	BTRFS_MOUNT_ENOSPC_DEBUG		= (1UL << 15),
+	BTRFS_MOUNT_AUTO_DEFRAG			= (1UL << 16),
+	BTRFS_MOUNT_USEBACKUPROOT		= (1UL << 17),
+	BTRFS_MOUNT_SKIP_BALANCE		= (1UL << 18),
+	BTRFS_MOUNT_CHECK_INTEGRITY		= (1UL << 19),
+	BTRFS_MOUNT_CHECK_INTEGRITY_DATA	= (1UL << 20),
+	BTRFS_MOUNT_PANIC_ON_FATAL_ERROR	= (1UL << 21),
+	BTRFS_MOUNT_RESCAN_UUID_TREE		= (1UL << 22),
+	BTRFS_MOUNT_FRAGMENT_DATA		= (1UL << 23),
+	BTRFS_MOUNT_FRAGMENT_METADATA		= (1UL << 24),
+	BTRFS_MOUNT_FREE_SPACE_TREE		= (1UL << 25),
+	BTRFS_MOUNT_NOLOGREPLAY			= (1UL << 26),
+	BTRFS_MOUNT_REF_VERIFY			= (1UL << 27),
+	BTRFS_MOUNT_DISCARD_ASYNC		= (1UL << 28),
+	BTRFS_MOUNT_IGNOREBADROOTS		= (1UL << 29),
+	BTRFS_MOUNT_IGNOREDATACSUMS		= (1UL << 30),
+	BTRFS_MOUNT_NODISCARD			= (1UL << 31),
+};
+
+#define BTRFS_DEFAULT_COMMIT_INTERVAL	(30)
+#define BTRFS_DEFAULT_MAX_INLINE	(2048)
+
 /* Compatibility and incompatibility defines */
 void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag,
 			     const char *name);
@@ -68,6 +111,26 @@ void __btrfs_clear_fs_compat_ro(struct btrfs_fs_info *fs_info, u64 flag,
 #define btrfs_fs_compat_ro(fs_info, opt)				\
 	__btrfs_fs_compat_ro((fs_info), BTRFS_FEATURE_COMPAT_RO_##opt)
 
+#define btrfs_clear_opt(o, opt)		((o) &= ~BTRFS_MOUNT_##opt)
+#define btrfs_set_opt(o, opt)		((o) |= BTRFS_MOUNT_##opt)
+#define btrfs_raw_test_opt(o, opt)	((o) & BTRFS_MOUNT_##opt)
+#define btrfs_test_opt(fs_info, opt)	((fs_info)->mount_opt & \
+					 BTRFS_MOUNT_##opt)
+
+#define btrfs_set_and_info(fs_info, opt, fmt, args...)			\
+do {									\
+	if (!btrfs_test_opt(fs_info, opt))				\
+		btrfs_info(fs_info, fmt, ##args);			\
+	btrfs_set_opt(fs_info->mount_opt, opt);				\
+} while (0)
+
+#define btrfs_clear_and_info(fs_info, opt, fmt, args...)		\
+do {									\
+	if (btrfs_test_opt(fs_info, opt))				\
+		btrfs_info(fs_info, fmt, ##args);			\
+	btrfs_clear_opt(fs_info->mount_opt, opt);			\
+} while (0)
+
 static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info)
 {
 	/* Do it this way so we only ever do one test_bit in the normal case. */