Move Windows port to MinGW

[fio.git] / engines / mmap.c

diff --git a/engines/mmap.c b/engines/mmap.c
index 71abfb9ac546247cd339033373ebbbda35778d54..c1aff5ba97a0843b151c65f05fff55b3575d387a 100644 (file)
--- a/engines/mmap.c
+++ b/engines/mmap.c
@@ -45,12 +45,12 @@ static int fio_mmap_file(struct thread_data *td, struct fio_file *f,
        }
 
        if (!td_random(td)) {
        }
 
        if (!td_random(td)) {

-               if (madvise(f->mmap_ptr, length, MADV_SEQUENTIAL) < 0) {
+               if (posix_madvise(f->mmap_ptr, length, POSIX_MADV_SEQUENTIAL) < 0) {

                        td_verror(td, errno, "madvise");
                        goto err;
                }
        } else {
                        td_verror(td, errno, "madvise");
                        goto err;
                }
        } else {

-               if (madvise(f->mmap_ptr, length, MADV_RANDOM) < 0) {
+               if (posix_madvise(f->mmap_ptr, length, POSIX_MADV_RANDOM) < 0) {

                        td_verror(td, errno, "madvise");
                        goto err;
                }
                        td_verror(td, errno, "madvise");
                        goto err;
                }


@@ -59,7 +59,7 @@ static int fio_mmap_file(struct thread_data *td, struct fio_file *f,
 err:
        if (td->error && f->mmap_ptr)
                munmap(f->mmap_ptr, length);
 err:
        if (td->error && f->mmap_ptr)
                munmap(f->mmap_ptr, length);

-               
+

        return td->error;
 }
 
        return td->error;
 }
 


@@ -75,12 +75,6 @@ static int fio_mmapio_prep_limited(struct thread_data *td, struct io_u *io_u)
                return EIO;
        }
 
                return EIO;
        }
 

-       if (f->mmap_ptr) {
-               if (munmap(f->mmap_ptr, f->mmap_sz) < 0)
-                       return errno;
-               f->mmap_ptr = NULL;
-       }
-

        f->mmap_sz = mmap_map_size;
        if (f->mmap_sz  > f->io_size)
                f->mmap_sz = f->io_size;
        f->mmap_sz = mmap_map_size;
        if (f->mmap_sz  > f->io_size)
                f->mmap_sz = f->io_size;


@@ -101,12 +95,6 @@ static int fio_mmapio_prep_full(struct thread_data *td, struct io_u *io_u)
        if (fio_file_partial_mmap(f))
                return EINVAL;
 
        if (fio_file_partial_mmap(f))
                return EINVAL;
 

-       if (f->mmap_ptr) {
-               if (munmap(f->mmap_ptr, f->mmap_sz) < 0)
-                       return errno;
-               f->mmap_ptr = NULL;
-       }
-

        f->mmap_sz = f->io_size;
        f->mmap_off = 0;
 
        f->mmap_sz = f->io_size;
        f->mmap_off = 0;
 


@@ -122,10 +110,22 @@ static int fio_mmapio_prep(struct thread_data *td, struct io_u *io_u)
        struct fio_file *f = io_u->file;
        int ret;
 
        struct fio_file *f = io_u->file;
        int ret;
 

+       /*
+        * It fits within existing mapping, use it
+        */

        if (io_u->offset >= f->mmap_off &&
            io_u->offset + io_u->buflen < f->mmap_off + f->mmap_sz)
                goto done;
 
        if (io_u->offset >= f->mmap_off &&
            io_u->offset + io_u->buflen < f->mmap_off + f->mmap_sz)
                goto done;
 

+       /*
+        * unmap any existing mapping
+        */
+       if (f->mmap_ptr) {
+               if (munmap(f->mmap_ptr, f->mmap_sz) < 0)
+                       return errno;
+               f->mmap_ptr = NULL;
+       }
+

        if (fio_mmapio_prep_full(td, io_u)) {
                td_clear_error(td);
                ret = fio_mmapio_prep_limited(td, io_u);
        if (fio_mmapio_prep_full(td, io_u)) {
                td_clear_error(td);
                ret = fio_mmapio_prep_limited(td, io_u);


@@ -154,17 +154,23 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
                        io_u->error = errno;
                        td_verror(td, io_u->error, "msync");
                }
                        io_u->error = errno;
                        td_verror(td, io_u->error, "msync");
                }

+       } else if (io_u->ddir == DDIR_TRIM) {
+               int ret = do_io_u_trim(td, io_u);
+
+               if (!ret)
+                       td_verror(td, io_u->error, "trim");

        }
 
        }
 

+

        /*
         * not really direct, but should drop the pages from the cache
         */
        /*
         * not really direct, but should drop the pages from the cache
         */

-       if (td->o.odirect && !ddir_sync(io_u->ddir)) {
+       if (td->o.odirect && ddir_rw(io_u->ddir)) {

                if (msync(io_u->mmap_data, io_u->xfer_buflen, MS_SYNC) < 0) {
                        io_u->error = errno;
                        td_verror(td, io_u->error, "msync");
                }
                if (msync(io_u->mmap_data, io_u->xfer_buflen, MS_SYNC) < 0) {
                        io_u->error = errno;
                        td_verror(td, io_u->error, "msync");
                }

-               if (madvise(io_u->mmap_data, io_u->xfer_buflen,  MADV_DONTNEED) < 0) {
+               if (posix_madvise(io_u->mmap_data, io_u->xfer_buflen, POSIX_MADV_DONTNEED) < 0) {

                        io_u->error = errno;
                        td_verror(td, io_u->error, "madvise");
                }
                        io_u->error = errno;
                        td_verror(td, io_u->error, "madvise");
                }


@@ -175,8 +181,16 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
 
 static int fio_mmapio_init(struct thread_data *td)
 {
 
 static int fio_mmapio_init(struct thread_data *td)
 {

+       struct thread_options *o = &td->o;

        unsigned long shift, mask;
 
        unsigned long shift, mask;
 

+       if ((td->o.rw_min_bs & page_mask) &&
+           (o->odirect || o->fsync_blocks || o->fdatasync_blocks)) {
+               log_err("fio: mmap options dictate a minimum block size of "
+                       "%lu bytes\n", page_size);
+               return 1;
+       }
+

        mmap_map_size = MMAP_TOTAL_SZ / td->o.nr_files;
        mask = mmap_map_size;
        shift = 0;
        mmap_map_size = MMAP_TOTAL_SZ / td->o.nr_files;
        mask = mmap_map_size;
        shift = 0;


@@ -186,7 +200,7 @@ static int fio_mmapio_init(struct thread_data *td)
                        break;
                shift++;
        } while (1);
                        break;
                shift++;
        } while (1);

-               
+

        mmap_map_mask = 1UL << shift;
        return 0;
 }
        mmap_map_mask = 1UL << shift;
        return 0;
 }