Recent changes (master)

[Jens Axboe <axboe@kernel.dk>]

The following changes since commit b61fdc8a555f844ba838c80781972df1239b5959:

  iolog: don't attempt read chunking with blktrace format (2021-08-02 08:23:24 -0600)

are available in the Git repository at:

  git://git.kernel.dk/fio.git master

for you to fetch changes up to 382975557e632efb506836bc1709789e615c9094:

  fio: remove raw device support (2021-08-03 12:20:22 -0600)

----------------------------------------------------------------
Eric Sandeen (1):
      fio: remove raw device support

 diskutil.c    | 10 +++-------
 fio.1         |  4 +---
 os/os-linux.h | 32 --------------------------------
 os/os.h       |  4 ----
 4 files changed, 4 insertions(+), 46 deletions(-)

---

Diff of recent changes:

diff --git a/diskutil.c b/diskutil.c
index 0051a7a0..ace7af3d 100644
--- a/diskutil.c
+++ b/diskutil.c
@@ -166,14 +166,10 @@ static int get_device_numbers(char *file_name, int *maj, int *min)
 		if (S_ISBLK(st.st_mode)) {
 			majdev = major(st.st_rdev);
 			mindev = minor(st.st_rdev);
-		} else if (S_ISCHR(st.st_mode)) {
-			majdev = major(st.st_rdev);
-			mindev = minor(st.st_rdev);
-			if (fio_lookup_raw(st.st_rdev, &majdev, &mindev))
-				return -1;
-		} else if (S_ISFIFO(st.st_mode))
+		} else if (S_ISCHR(st.st_mode) ||
+			   S_ISFIFO(st.st_mode)) {
 			return -1;
-		else {
+		} else {
 			majdev = major(st.st_dev);
 			mindev = minor(st.st_dev);
 		}
diff --git a/fio.1 b/fio.1
index 6cc82542..9c12ad13 100644
--- a/fio.1
+++ b/fio.1
@@ -1700,9 +1700,7 @@ Sets size to something really large and waits for ENOSPC (no space left on
 device) or EDQUOT (disk quota exceeded)
 as the terminating condition. Only makes sense with sequential
 write. For a read workload, the mount point will be filled first then I/O
-started on the result. This option doesn't make sense if operating on a raw
-device node, since the size of that is already known by the file system.
-Additionally, writing beyond end-of-device will not return ENOSPC there.
+started on the result.
 .SS "I/O engine"
 .TP
 .BI ioengine \fR=\fPstr
diff --git a/os/os-linux.h b/os/os-linux.h
index f7137abe..16ed5258 100644
--- a/os/os-linux.h
+++ b/os/os-linux.h
@@ -14,7 +14,6 @@
 #include <errno.h>
 #include <sched.h>
 #include <linux/unistd.h>
-#include <linux/raw.h>
 #include <linux/major.h>
 #include <linux/fs.h>
 #include <scsi/sg.h>
@@ -41,7 +40,6 @@
 #define FIO_HAVE_IOSCHED_SWITCH
 #define FIO_HAVE_ODIRECT
 #define FIO_HAVE_HUGETLB
-#define FIO_HAVE_RAWBIND
 #define FIO_HAVE_BLKTRACE
 #define FIO_HAVE_CL_SIZE
 #define FIO_HAVE_CGROUPS
@@ -178,36 +176,6 @@ static inline unsigned long long os_phys_mem(void)
 	return (unsigned long long) pages * (unsigned long long) pagesize;
 }
 
-static inline int fio_lookup_raw(dev_t dev, int *majdev, int *mindev)
-{
-	struct raw_config_request rq;
-	int fd;
-
-	if (major(dev) != RAW_MAJOR)
-		return 1;
-
-	/*
-	 * we should be able to find /dev/rawctl or /dev/raw/rawctl
-	 */
-	fd = open("/dev/rawctl", O_RDONLY);
-	if (fd < 0) {
-		fd = open("/dev/raw/rawctl", O_RDONLY);
-		if (fd < 0)
-			return 1;
-	}
-
-	rq.raw_minor = minor(dev);
-	if (ioctl(fd, RAW_GETBIND, &rq) < 0) {
-		close(fd);
-		return 1;
-	}
-
-	close(fd);
-	*majdev = rq.block_major;
-	*mindev = rq.block_minor;
-	return 0;
-}
-
 #ifdef O_NOATIME
 #define FIO_O_NOATIME	O_NOATIME
 #else
diff --git a/os/os.h b/os/os.h
index e47d3d97..17daf91d 100644
--- a/os/os.h
+++ b/os/os.h
@@ -157,10 +157,6 @@ extern int fio_cpus_split(os_cpu_mask_t *mask, unsigned int cpu);
 #define OS_RAND_MAX			RAND_MAX
 #endif
 
-#ifndef FIO_HAVE_RAWBIND
-#define fio_lookup_raw(dev, majdev, mindev)	1
-#endif
-
 #ifndef FIO_PREFERRED_ENGINE
 #define FIO_PREFERRED_ENGINE	"psync"
 #endif