diff options
Diffstat (limited to 'sys/sys/namei.h')
-rw-r--r-- | sys/sys/namei.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/sys/namei.h b/sys/sys/namei.h index b4db0e758e2b..9e0a82ea1659 100644 --- a/sys/sys/namei.h +++ b/sys/sys/namei.h @@ -38,6 +38,7 @@ #include <sys/caprights.h> #include <sys/filedesc.h> #include <sys/queue.h> +#include <sys/_seqc.h> #include <sys/_uio.h> enum nameiop { LOOKUP, CREATE, DELETE, RENAME }; @@ -111,6 +112,12 @@ struct nameidata { */ struct componentname ni_cnd; struct nameicap_tracker_head ni_cap_tracker; + /* + * Private helper data for UFS, must be at the end. See + * NDINIT_PREFILL(). + */ + seqc_t ni_dvp_seqc; + seqc_t ni_vp_seqc; }; #ifdef _KERNEL @@ -224,7 +231,8 @@ int cache_fplookup(struct nameidata *ndp, enum cache_fpl_status *status, * Note the constant pattern may *hide* bugs. */ #ifdef INVARIANTS -#define NDINIT_PREFILL(arg) memset(arg, 0xff, sizeof(*arg)) +#define NDINIT_PREFILL(arg) memset(arg, 0xff, offsetof(struct nameidata, \ + ni_dvp_seqc)) #define NDINIT_DBG(arg) { (arg)->ni_debugflags = NAMEI_DBG_INITED; } #define NDREINIT_DBG(arg) { \ if (((arg)->ni_debugflags & NAMEI_DBG_INITED) == 0) \ @@ -266,6 +274,8 @@ do { \ } while (0) #define NDPREINIT(ndp) do { \ + (ndp)->ni_dvp_seqc = SEQC_MOD; \ + (ndp)->ni_vp_seqc = SEQC_MOD; \ } while (0) #define NDF_NO_DVP_RELE 0x00000001 |