verify: fix problem with hole punching on newer Linux kernels

[fio.git] / filesetup.c

diff --git a/filesetup.c b/filesetup.c
index 9f186fb46436a4d46998709a787050be24905316..7d3a0613b8296eb5a5f2d08c268a261fd8b1561c 100644 (file)
--- a/filesetup.c
+++ b/filesetup.c
@@ -127,7 +127,6 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
        }
 
        b = malloc(td->o.max_bs[DDIR_WRITE]);
-       memset(b, 0, td->o.max_bs[DDIR_WRITE]);
 
        left = f->real_file_size;
        while (left && !td->terminate) {
@@ -135,6 +134,8 @@ static int extend_file(struct thread_data *td, struct fio_file *f)
                if (bs > left)
                        bs = left;
 
+               fill_io_buffer(td, b, bs, bs);
+
                r = write(f->fd, b, bs);
 
                if (r > 0) {
@@ -387,7 +388,8 @@ static int __file_invalidate_cache(struct thread_data *td, struct fio_file *f,
        if (f->mmap_ptr) {
                ret = posix_madvise(f->mmap_ptr, f->mmap_sz, POSIX_MADV_DONTNEED);
 #ifdef FIO_MADV_FREE
-               (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
+               if (f->filetype == FIO_TYPE_BD)
+                       (void) posix_madvise(f->mmap_ptr, f->mmap_sz, FIO_MADV_FREE);
 #endif
        } else if (f->filetype == FIO_TYPE_FILE) {
                ret = posix_fadvise(f->fd, off, len, POSIX_FADV_DONTNEED);