diff options
Diffstat (limited to 'fs/btrfs/fs.h')
| -rw-r--r-- | fs/btrfs/fs.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/fs/btrfs/fs.h b/fs/btrfs/fs.h index 8eda9ce0a904..25487af14717 100644 --- a/fs/btrfs/fs.h +++ b/fs/btrfs/fs.h @@ -3,6 +3,37 @@ #ifndef BTRFS_FS_H #define BTRFS_FS_H +/* + * Runtime (in-memory) states of filesystem + */ +enum { + /* Global indicator of serious filesystem errors */ + BTRFS_FS_STATE_ERROR, + /* + * Filesystem is being remounted, allow to skip some operations, like + * defrag + */ + BTRFS_FS_STATE_REMOUNTING, + /* Filesystem in RO mode */ + BTRFS_FS_STATE_RO, + /* Track if a transaction abort has been reported on this filesystem */ + BTRFS_FS_STATE_TRANS_ABORTED, + /* + * Bio operations should be blocked on this filesystem because a source + * or target device is being destroyed as part of a device replace + */ + BTRFS_FS_STATE_DEV_REPLACING, + /* The btrfs_fs_info created for self-tests */ + BTRFS_FS_STATE_DUMMY_FS_INFO, + + BTRFS_FS_STATE_NO_CSUMS, + + /* Indicates there was an error cleaning up a log tree. */ + BTRFS_FS_STATE_LOG_CLEANUP_ERROR, + + BTRFS_FS_STATE_COUNT +}; + /* Compatibility and incompatibility defines */ void __btrfs_set_fs_incompat(struct btrfs_fs_info *fs_info, u64 flag, const char *name); @@ -82,4 +113,22 @@ static inline void btrfs_clear_sb_rdonly(struct super_block *sb) clear_bit(BTRFS_FS_STATE_RO, &btrfs_sb(sb)->fs_state); } +#define BTRFS_FS_ERROR(fs_info) (unlikely(test_bit(BTRFS_FS_STATE_ERROR, \ + &(fs_info)->fs_state))) +#define BTRFS_FS_LOG_CLEANUP_ERROR(fs_info) \ + (unlikely(test_bit(BTRFS_FS_STATE_LOG_CLEANUP_ERROR, \ + &(fs_info)->fs_state))) + +#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS +static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info) +{ + return test_bit(BTRFS_FS_STATE_DUMMY_FS_INFO, &fs_info->fs_state); +} +#else +static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info) +{ + return 0; +} +#endif + #endif |