Pass offset and buffer length explicitly to mark_random_map()

This patch does not change any functionality. The changes introduced by
this patch will be used by the zoned block device code.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_u.c b/io_u.c
index 29a360a95424a72cbf1c7f0c0b753efdbcf06f18..eed7d9d91c8d12d829321ba8ec01b69e2576a381 100644 (file)
--- a/io_u.c
+++ b/io_u.c
@@ -31,21 +31,24 @@ static bool random_map_free(struct fio_file *f, const uint64_t block)
 /*
  * Mark a given offset as used in the map.
  */
 /*
  * Mark a given offset as used in the map.
  */

-static void mark_random_map(struct thread_data *td, struct io_u *io_u)
+static uint64_t mark_random_map(struct thread_data *td, struct io_u *io_u,
+                               uint64_t offset, uint64_t buflen)

 {
        unsigned long long min_bs = td->o.min_bs[io_u->ddir];
        struct fio_file *f = io_u->file;
        unsigned long long nr_blocks;
        uint64_t block;
 
 {
        unsigned long long min_bs = td->o.min_bs[io_u->ddir];
        struct fio_file *f = io_u->file;
        unsigned long long nr_blocks;
        uint64_t block;
 

-       block = (io_u->offset - f->file_offset) / (uint64_t) min_bs;
-       nr_blocks = (io_u->buflen + min_bs - 1) / min_bs;
+       block = (offset - f->file_offset) / (uint64_t) min_bs;
+       nr_blocks = (buflen + min_bs - 1) / min_bs;

 
        if (!(io_u->flags & IO_U_F_BUSY_OK))
                nr_blocks = axmap_set_nr(f->io_axmap, block, nr_blocks);
 
 
        if (!(io_u->flags & IO_U_F_BUSY_OK))
                nr_blocks = axmap_set_nr(f->io_axmap, block, nr_blocks);
 

-       if ((nr_blocks * min_bs) < io_u->buflen)
-               io_u->buflen = nr_blocks * min_bs;
+       if ((nr_blocks * min_bs) < buflen)
+               buflen = nr_blocks * min_bs;
+
+       return buflen;

 }
 
 static uint64_t last_block(struct thread_data *td, struct fio_file *f,
 }
 
 static uint64_t last_block(struct thread_data *td, struct fio_file *f,


@@ -908,7 +911,8 @@ static int fill_io_u(struct thread_data *td, struct io_u *io_u)
         * mark entry before potentially trimming io_u
         */
        if (td_random(td) && file_randommap(td, io_u->file))
         * mark entry before potentially trimming io_u
         */
        if (td_random(td) && file_randommap(td, io_u->file))

-               mark_random_map(td, io_u);
+               io_u->buflen = mark_random_map(td, io_u, io_u->offset,
+                                              io_u->buflen);

 
 out:
        dprint_io_u(io_u, "fill");
 
 out:
        dprint_io_u(io_u, "fill");