diff options
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
| -rw-r--r-- | fs/ocfs2/ocfs2.h | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h index 9ff5811345a9..31692379c170 100644 --- a/fs/ocfs2/ocfs2.h +++ b/fs/ocfs2/ocfs2.h @@ -208,11 +208,14 @@ struct ocfs2_super u32 s_feature_incompat; u32 s_feature_ro_compat; - /* Protects s_next_generaion, osb_flags. Could protect more on - * osb as it's very short lived. */ + /* Protects s_next_generation, osb_flags and s_inode_steal_slot. + * Could protect more on osb as it's very short lived. + */ spinlock_t osb_lock; u32 s_next_generation; unsigned long osb_flags; + s16 s_inode_steal_slot; + atomic_t s_num_inodes_stolen; unsigned long s_mount_opt; unsigned int s_atime_quantum; @@ -537,6 +540,33 @@ static inline unsigned int ocfs2_pages_per_cluster(struct super_block *sb) return pages_per_cluster; } +static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb) +{ + spin_lock(&osb->osb_lock); + osb->s_inode_steal_slot = OCFS2_INVALID_SLOT; + spin_unlock(&osb->osb_lock); + atomic_set(&osb->s_num_inodes_stolen, 0); +} + +static inline void ocfs2_set_inode_steal_slot(struct ocfs2_super *osb, + s16 slot) +{ + spin_lock(&osb->osb_lock); + osb->s_inode_steal_slot = slot; + spin_unlock(&osb->osb_lock); +} + +static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb) +{ + s16 slot; + + spin_lock(&osb->osb_lock); + slot = osb->s_inode_steal_slot; + spin_unlock(&osb->osb_lock); + + return slot; +} + #define ocfs2_set_bit ext2_set_bit #define ocfs2_clear_bit ext2_clear_bit #define ocfs2_test_bit ext2_test_bit |