sync: add support for write life time hint

[fio.git] / engines / sg.c

diff --git a/engines/sg.c b/engines/sg.c
index e70803c8445f2892985ea85e7d77b6a192acb392..4540b57354cd1c1d02e84faa429cd6e069aa376c 100644 (file)
--- a/engines/sg.c
+++ b/engines/sg.c
@@ -124,7 +124,7 @@ static int fio_sgio_getevents(struct thread_data *td, unsigned int min,
        }
 
        while (left) {
-               void *p;
+               char *p;
 
                dprint(FD_IO, "sgio_getevents: sd %p: left=%d\n", sd, left);
 
@@ -184,7 +184,7 @@ re_read:
                        if (hdr->info & SG_INFO_CHECK) {
                                struct io_u *io_u;
                                io_u = (struct io_u *)(hdr->usr_ptr);
-                               memcpy((void*)&(io_u->hdr), (void*)hdr, sizeof(struct sg_io_hdr));
+                               memcpy(&io_u->hdr, hdr, sizeof(struct sg_io_hdr));
                                sd->events[i]->error = EIO;
                        }
                }
@@ -252,7 +252,7 @@ static int fio_sgio_doio(struct thread_data *td, struct io_u *io_u, int do_sync)
        struct fio_file *f = io_u->file;
        int ret;
 
-       if (f->filetype == FIO_TYPE_BD) {
+       if (f->filetype == FIO_TYPE_BLOCK) {
                ret = fio_sgio_ioctl_doio(td, f, io_u);
                td->error = io_u->error;
        } else {
@@ -504,7 +504,7 @@ static int fio_sgio_type_check(struct thread_data *td, struct fio_file *f)
        unsigned int bs = 0;
        unsigned long long max_lba = 0;
 
-       if (f->filetype == FIO_TYPE_BD) {
+       if (f->filetype == FIO_TYPE_BLOCK) {
                if (ioctl(f->fd, BLKSSZGET, &bs) < 0) {
                        td_verror(td, errno, "ioctl");
                        return 1;
@@ -525,7 +525,7 @@ static int fio_sgio_type_check(struct thread_data *td, struct fio_file *f)
                }
        } else {
                td_verror(td, EINVAL, "wrong file type");
-               log_err("ioengine sg only works on block devices\n");
+               log_err("ioengine sg only works on block or character devices\n");
                return 1;
        }
 
@@ -537,7 +537,7 @@ static int fio_sgio_type_check(struct thread_data *td, struct fio_file *f)
                        MAX_10B_LBA, max_lba);
        }
 
-       if (f->filetype == FIO_TYPE_BD) {
+       if (f->filetype == FIO_TYPE_BLOCK) {
                td->io_ops->getevents = NULL;
                td->io_ops->event = NULL;
        }
@@ -572,17 +572,17 @@ static char *fio_sgio_errdetails(struct io_u *io_u)
        struct sg_io_hdr *hdr = &io_u->hdr;
 #define MAXERRDETAIL 1024
 #define MAXMSGCHUNK  128
-       char *msg, msgchunk[MAXMSGCHUNK], *ret = NULL;
+       char *msg, msgchunk[MAXMSGCHUNK];
        int i;
 
        msg = calloc(1, MAXERRDETAIL);
+       strcpy(msg, "");
 
        /*
         * can't seem to find sg_err.h, so I'll just echo the define values
         * so others can search on internet to find clearer clues of meaning.
         */
        if (hdr->info & SG_INFO_CHECK) {
-               ret = msg;
                if (hdr->host_status) {
                        snprintf(msgchunk, MAXMSGCHUNK, "SG Host Status: 0x%02x; ", hdr->host_status);
                        strlcat(msg, msgchunk, MAXERRDETAIL);
@@ -755,14 +755,14 @@ static char *fio_sgio_errdetails(struct io_u *io_u)
                if (hdr->resid != 0) {
                        snprintf(msgchunk, MAXMSGCHUNK, "SG Driver: %d bytes out of %d not transferred. ", hdr->resid, hdr->dxfer_len);
                        strlcat(msg, msgchunk, MAXERRDETAIL);
-                       ret = msg;
                }
        }
 
-       if (!ret)
-               ret = strdup("SG Driver did not report a Host, Driver or Device check");
+       if (!(hdr->info & SG_INFO_CHECK) && !strlen(msg))
+               strncpy(msg, "SG Driver did not report a Host, Driver or Device check",
+                       MAXERRDETAIL - 1);
 
-       return ret;
+       return msg;
 }
 
 /*
@@ -789,6 +789,12 @@ static int fio_sgio_get_file_size(struct thread_data *td, struct fio_file *f)
        if (fio_file_size_known(f))
                return 0;
 
+       if (f->filetype != FIO_TYPE_BLOCK && f->filetype != FIO_TYPE_CHAR) {
+               td_verror(td, EINVAL, "wrong file type");
+               log_err("ioengine sg only works on block or character devices\n");
+               return 1;
+       }
+
        ret = fio_sgio_read_capacity(td, &bs, &max_lba);
        if (ret ) {
                td_verror(td, td->error, "fio_sgio_read_capacity");