diff options
Diffstat (limited to 'shlibs/blkid/src/verify.c')
| -rw-r--r-- | shlibs/blkid/src/verify.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/shlibs/blkid/src/verify.c b/shlibs/blkid/src/verify.c index 27360260..a0cb3fea 100644 --- a/shlibs/blkid/src/verify.c +++ b/shlibs/blkid/src/verify.c @@ -11,6 +11,7 @@ #include <unistd.h> #include <fcntl.h> #include <time.h> +#include <sys/time.h> #include <sys/types.h> #ifdef HAVE_SYS_STAT_H #include <sys/stat.h> @@ -73,19 +74,34 @@ blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev) return NULL; } - if ((now >= dev->bid_time) && - (st.st_mtime <= dev->bid_time) && - ((diff < BLKID_PROBE_MIN) || - (dev->bid_flags & BLKID_BID_FL_VERIFIED && - diff < BLKID_PROBE_INTERVAL))) + if (now >= dev->bid_time && +#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC + (st.st_mtime < dev->bid_time || + (st.st_mtime == dev->bid_time && + st.st_mtim.tv_nsec / 1000 <= dev->bid_utime)) && +#else + st.st_mtime <= dev->bid_time && +#endif + (diff < BLKID_PROBE_MIN || + (dev->bid_flags & BLKID_BID_FL_VERIFIED && + diff < BLKID_PROBE_INTERVAL))) return dev; +#ifndef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC DBG(DEBUG_PROBE, printf("need to revalidate %s (cache time %lu, stat time %lu,\n\t" "time since last check %lu)\n", dev->bid_name, (unsigned long)dev->bid_time, (unsigned long)st.st_mtime, (unsigned long)diff)); - +#else + DBG(DEBUG_PROBE, + printf("need to revalidate %s (cache time %lu.%lu, stat time %lu.%lu,\n\t" + "time since last check %lu)\n", + dev->bid_name, + (unsigned long)dev->bid_time, (unsigned long)dev->bid_utime, + (unsigned long)st.st_mtime, (unsigned long)st.st_mtim.tv_nsec / 1000, + (unsigned long)diff)); +#endif if (!cache->probe) { cache->probe = blkid_new_probe(); @@ -156,8 +172,16 @@ blkid_dev blkid_verify(blkid_cache cache, blkid_dev dev) found_type: if (dev) { +#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC + struct timeval tv; + if (!gettimeofday(&tv, NULL)) { + dev->bid_time = tv.tv_sec; + dev->bid_utime = tv.tv_usec; + } else +#endif + dev->bid_time = time(0); + dev->bid_devno = st.st_rdev; - dev->bid_time = time(0); dev->bid_flags |= BLKID_BID_FL_VERIFIED; cache->bic_flags |= BLKID_BIC_FL_CHANGED; |