diff options
Diffstat (limited to 'fs/xfs/xfs_log_priv.h')
| -rw-r--r-- | fs/xfs/xfs_log_priv.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index a5b3c021a406..2f74c80a7a40 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -518,10 +518,8 @@ typedef struct log { spinlock_t l_grant_lock ____cacheline_aligned_in_smp; struct list_head l_reserveq; struct list_head l_writeq; - int l_grant_reserve_cycle; - int l_grant_reserve_bytes; - int l_grant_write_cycle; - int l_grant_write_bytes; + int64_t l_grant_reserve_head; + int64_t l_grant_write_head; /* The following field are used for debugging; need to hold icloglock */ #ifdef DEBUG @@ -561,6 +559,26 @@ int xlog_write(struct log *log, struct xfs_log_vec *log_vector, xlog_in_core_t **commit_iclog, uint flags); /* + * When we crack the grrant head, we sample it first so that the value will not + * change while we are cracking it into the component values. This means we + * will always get consistent component values to work from. + */ +static inline void +xlog_crack_grant_head(int64_t *head, int *cycle, int *space) +{ + int64_t val = *head; + + *cycle = val >> 32; + *space = val & 0xffffffff; +} + +static inline void +xlog_assign_grant_head(int64_t *head, int cycle, int space) +{ + *head = ((int64_t)cycle << 32) | space; +} + +/* * Committed Item List interfaces */ int xlog_cil_init(struct log *log); |