The following changes since commit d4a507c17533f05bcf6d6eeb8d00f3dad1a020a1: Merge branch 'fio-jsonplus-patches' of https://github.com/vincentkfu/fio (2017-08-07 13:44:01 -0600) are available in the git repository at: git://git.kernel.dk/fio.git master for you to fetch changes up to f9cfc7d44a80638f81810416385136c35ad34658: Add ability to keep memory-mapped files (2017-08-08 14:26:56 -0600) ---------------------------------------------------------------- Stephen Bates (1): Add ability to keep memory-mapped files fio.h | 1 + memory.c | 8 ++++++-- 2 files changed, 7 insertions(+), 2 deletions(-) --- Diff of recent changes: diff --git a/fio.h b/fio.h index 39d775c..da950ef 100644 --- a/fio.h +++ b/fio.h @@ -87,6 +87,7 @@ enum { TD_F_CHILD = 1U << 12, TD_F_NO_PROGRESS = 1U << 13, TD_F_REGROW_LOGS = 1U << 14, + TD_F_MMAP_KEEP = 1U << 15, }; enum { diff --git a/memory.c b/memory.c index 22a7f5d..04dc3be 100644 --- a/memory.c +++ b/memory.c @@ -138,6 +138,9 @@ static int alloc_mem_mmap(struct thread_data *td, size_t total_mem) } if (td->o.mmapfile) { + if (access(td->o.mmapfile, F_OK) == 0) + td->flags |= TD_F_MMAP_KEEP; + td->mmapfd = open(td->o.mmapfile, O_RDWR|O_CREAT, 0644); if (td->mmapfd < 0) { @@ -169,7 +172,7 @@ static int alloc_mem_mmap(struct thread_data *td, size_t total_mem) td->orig_buffer = NULL; if (td->mmapfd != 1 && td->mmapfd != -1) { close(td->mmapfd); - if (td->o.mmapfile) + if (td->o.mmapfile && !(td->flags & TD_F_MMAP_KEEP)) unlink(td->o.mmapfile); } @@ -187,7 +190,8 @@ static void free_mem_mmap(struct thread_data *td, size_t total_mem) if (td->o.mmapfile) { if (td->mmapfd != -1) close(td->mmapfd); - unlink(td->o.mmapfile); + if (!(td->flags & TD_F_MMAP_KEEP)) + unlink(td->o.mmapfile); free(td->o.mmapfile); } } -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
