diff options
| author | Naohiro Aota <naohiro.aota@wdc.com> | 2020-11-10 20:26:08 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2020-12-09 19:16:03 +0100 |
| commit | b70f509774ad4b75d4253ad23b65c35d89402026 (patch) | |
| tree | 5390be7abefc309d9c0ecd6e449d05277a98c8e9 /fs/btrfs/ctree.h | |
| parent | 5b316468983dfa9473ff0f1c42e4e30b4c267141 (diff) | |
btrfs: check and enable ZONED mode
Introduce function btrfs_check_zoned_mode() to check if ZONED flag is
enabled on the file system and if the file system consists of zoned
devices with equal zone size.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index c0c6e79c43f9..8f20219e2caa 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -956,6 +956,15 @@ struct btrfs_fs_info { /* Type of exclusive operation running */ unsigned long exclusive_operation; + /* + * Zone size > 0 when in ZONED mode, otherwise it's used for a check + * if the mode is enabled + */ + union { + u64 zone_size; + u64 zoned; + }; + #ifdef CONFIG_BTRFS_FS_REF_VERIFY spinlock_t ref_verify_lock; struct rb_root block_tree; @@ -3677,4 +3686,9 @@ static inline int btrfs_is_testing(struct btrfs_fs_info *fs_info) } #endif +static inline bool btrfs_is_zoned(const struct btrfs_fs_info *fs_info) +{ + return fs_info->zoned != 0; +} + #endif |