unsigned int skip_locking:1;
unsigned int leave_spinning:1;
unsigned int search_commit_root:1;
+ unsigned int need_commit_sem:1;
};
/*
#define BTRFS_BLOCK_GROUP_RAID10 (1ULL << 6)
#define BTRFS_BLOCK_GROUP_RAID5 (1ULL << 7)
#define BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8)
-#define BTRFS_BLOCK_GROUP_RESERVED BTRFS_AVAIL_ALLOC_BIT_SINGLE
+#define BTRFS_BLOCK_GROUP_RESERVED (BTRFS_AVAIL_ALLOC_BIT_SINGLE | \
+ BTRFS_SPACE_INFO_GLOBAL_RSV)
enum btrfs_raid_types {
BTRFS_RAID_RAID10,
*/
#define BTRFS_AVAIL_ALLOC_BIT_SINGLE (1ULL << 48)
+/*
+ * A fake block group type that is used to communicate global block reserve
+ * size to userspace via the SPACE_INFO ioctl.
+ */
+#define BTRFS_SPACE_INFO_GLOBAL_RSV (1ULL << 49)
+
#define BTRFS_EXTENDED_PROFILE_MASK (BTRFS_BLOCK_GROUP_PROFILE_MASK | \
BTRFS_AVAIL_ALLOC_BIT_SINGLE)
*/
struct mutex ordered_extent_flush_mutex;
- struct rw_semaphore extent_commit_sem;
+ struct rw_semaphore commit_root_sem;
struct rw_semaphore cleanup_work_sem;
struct btrfs_block_rsv *block_rsv;
/* free ino cache stuff */
- struct mutex fs_commit_mutex;
struct btrfs_free_space_ctl *free_ino_ctl;
enum btrfs_caching_type cached;
spinlock_t cache_lock;
#define btrfs_raw_test_opt(o, opt) ((o) & BTRFS_MOUNT_##opt)
#define btrfs_test_opt(root, opt) ((root)->fs_info->mount_opt & \
BTRFS_MOUNT_##opt)
+#define btrfs_set_and_info(root, opt, fmt, args...) \
+{ \
+ if (!btrfs_test_opt(root, opt)) \
+ btrfs_info(root->fs_info, fmt, ##args); \
+ btrfs_set_opt(root->fs_info->mount_opt, opt); \
+}
+
+#define btrfs_clear_and_info(root, opt, fmt, args...) \
+{ \
+ if (btrfs_test_opt(root, opt)) \
+ btrfs_info(root->fs_info, fmt, ##args); \
+ btrfs_clear_opt(root->fs_info->mount_opt, opt); \
+}
+
/*
* Inode flags
*/