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| author | M. Scot Breitenfeld <brtnfld@hdfgroup.org> | 2017-12-18 19:42:09 (GMT) |
|---|---|---|
| committer | M. Scot Breitenfeld <brtnfld@hdfgroup.org> | 2017-12-18 19:42:09 (GMT) |
| commit | 8aa520584463a5151699dc5768bcdef39f5564a6 (patch) | |
| tree | 5c905b6022d0d3286f957fb78710e58335f3e2c7 /src/H5Fint.c | |
| parent | 758b9667b3e07a7562107f19f7dabee027e5bd53 (diff) | |
| download | hdf5-8aa520584463a5151699dc5768bcdef39f5564a6.zip hdf5-8aa520584463a5151699dc5768bcdef39f5564a6.tar.gz hdf5-8aa520584463a5151699dc5768bcdef39f5564a6.tar.bz2 | |
Optimized version of avoid truncate patch.
Diffstat (limited to 'src/H5Fint.c')
| -rw-r--r-- | src/H5Fint.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/H5Fint.c b/src/H5Fint.c index 8212eb5..25df964 100644 --- a/src/H5Fint.c +++ b/src/H5Fint.c @@ -1532,6 +1532,17 @@ H5F__flush_phase2(H5F_t *f, hid_t meta_dxpl_id, hid_t raw_dxpl_id, hbool_t closi HDONE_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush metadata cache") /* Truncate the file to the current allocated size */ +#if 1 /* JRM */ +#ifdef H5_HAVE_PARALLEL + if(H5F_HAS_FEATURE(f, H5FD_FEAT_HAS_MPI)) { + /* Since we just returned from a call to H5AC_flush(), we just + * passed through a barrier. Hence we can skip the barrier on + * entry to the mpio file driver call below. + */ + H5FD_mpio_mark_pre_trunc_barrier_unecessary(f->shared->lf); + } +#endif /* H5_HAVE_PARALLEL */ +#endif /* JRM */ if(H5FD_truncate(f->shared->lf, meta_dxpl_id, closing) < 0) /* Push error, but keep going*/ HDONE_ERROR(H5E_FILE, H5E_WRITEERROR, FAIL, "low level truncate failed") |