mmap engine: make sure that page unaligned syncs work

[fio.git] / fio.c

diff --git a/fio.c b/fio.c
index 6222a4185c7105973b4080669e34a37303a7f281..e6bd18a0c037390f1ec91764007a61a07dc7159e 100644 (file)
--- a/fio.c
+++ b/fio.c
@@ -37,7 +37,8 @@
 #include "fio.h"
 #include "os.h"
 
-static unsigned long page_mask;
+unsigned long page_mask;
+unsigned long page_size;
 #define ALIGN(buf)     \
        (char *) (((unsigned long) (buf) + page_mask) & ~page_mask)
 
@@ -255,13 +256,16 @@ static void do_verify(struct thread_data *td)
 {
        struct fio_file *f;
        struct io_u *io_u;
-       int ret, i, min_events;
+       int ret, min_events;
+       unsigned int i;
 
        /*
         * sync io first and invalidate cache, to make sure we really
         * read from disk.
         */
        for_each_file(td, f, i) {
+               if (!(f->flags & FIO_FILE_OPEN))
+                       continue;
                if (fio_io_sync(td, f))
                        break;
                if (file_invalidate_cache(td, f))
@@ -379,7 +383,8 @@ static void do_io(struct thread_data *td)
 {
        struct timeval s;
        unsigned long usec;
-       int i, ret = 0;
+       unsigned int i;
+       int ret = 0;
 
        td_set_runstate(td, TD_RUNNING);
 
@@ -518,8 +523,12 @@ static void do_io(struct thread_data *td)
 
                if (should_fsync(td) && td->end_fsync) {
                        td_set_runstate(td, TD_FSYNCING);
-                       for_each_file(td, f, i)
+
+                       for_each_file(td, f, i) {
+                               if (!(f->flags & FIO_FILE_OPEN))
+                                       continue;
                                fio_io_sync(td, f);
+                       }
                }
        } else
                cleanup_pending_aio(td);
@@ -650,7 +659,8 @@ static int switch_ioscheduler(struct thread_data *td)
 static int clear_io_state(struct thread_data *td)
 {
        struct fio_file *f;
-       int i, ret;
+       unsigned int i;
+       int ret;
 
        td->ts.stat_io_bytes[0] = td->ts.stat_io_bytes[1] = 0;
        td->this_io_bytes[0] = td->this_io_bytes[1] = 0;
@@ -1149,6 +1159,7 @@ int main(int argc, char *argv[])
                return 1;
        }
 
+       page_size = ps;
        page_mask = ps - 1;
 
        if (write_bw_log) {