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authorJosef Bacik <josef@toxicpanda.com>2022-10-19 17:50:53 +0300
committerDavid Sterba <dsterba@suse.com>2022-12-05 20:00:42 +0300
commitfc97a410bd781d00634194bfcddfd2be4185d954 (patch)
treec40dc71f2dd1af7c20ec01e55560f6c8b83d9566 /fs/btrfs/fs.h
parent0d3a9cf8c3068136145b90841778e3f1ac13f22a (diff)
downloadlinux-fc97a410bd781d00634194bfcddfd2be4185d954.tar.xz
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>
Diffstat (limited to 'fs/btrfs/fs.h')
-rw-r--r--fs/btrfs/fs.h63
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. */