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Linux 5.19 compat: blkdev_issue_secure_erase()

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Linux 5.19 commit torvalds/linux@44abff2c0 splits the secure
erase functionality from the blkdev_issue_discard() function.
The blkdev_issue_secure_erase() must now be issued to issue
a secure erase.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #13515
This commit is contained in:
Brian Behlendorf
2022-05-27 19:40:22 +00:00
parent 048301b6dc
commit 7ae5ea8864
2 changed files with 81 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/os/linux/zfs/vdev_disk.c
+28 -9
View File
@@ -749,12 +749,38 @@ vdev_disk_io_flush(struct block_device *bdev, zio_t *zio)
return (0);
}
static int
vdev_disk_io_trim(zio_t *zio)
{
vdev_t *v = zio->io_vd;
vdev_disk_t *vd = v->vdev_tsd;
#if defined(HAVE_BLKDEV_ISSUE_SECURE_ERASE)
if (zio->io_trim_flags & ZIO_TRIM_SECURE) {
return (-blkdev_issue_secure_erase(vd->vd_bdev,
zio->io_offset >> 9, zio->io_size >> 9, GFP_NOFS));
} else {
return (-blkdev_issue_discard(vd->vd_bdev,
zio->io_offset >> 9, zio->io_size >> 9, GFP_NOFS));
}
#elif defined(HAVE_BLKDEV_ISSUE_DISCARD)
unsigned long trim_flags = 0;
#if defined(BLKDEV_DISCARD_SECURE)
if (zio->io_trim_flags & ZIO_TRIM_SECURE)
trim_flags |= BLKDEV_DISCARD_SECURE;
#endif
return (-blkdev_issue_discard(vd->vd_bdev,
zio->io_offset >> 9, zio->io_size >> 9, GFP_NOFS, trim_flags));
#else
#error "Unsupported kernel"
#endif
}
static void
vdev_disk_io_start(zio_t *zio)
{
vdev_t *v = zio->io_vd;
vdev_disk_t *vd = v->vdev_tsd;
unsigned long trim_flags = 0;
int rw, error;
/*
@@ -827,14 +853,7 @@ vdev_disk_io_start(zio_t *zio)
break;
case ZIO_TYPE_TRIM:
#if defined(BLKDEV_DISCARD_SECURE)
if (zio->io_trim_flags & ZIO_TRIM_SECURE)
trim_flags |= BLKDEV_DISCARD_SECURE;
#endif
zio->io_error = -blkdev_issue_discard(vd->vd_bdev,
zio->io_offset >> 9, zio->io_size >> 9, GFP_NOFS,
trim_flags);
zio->io_error = vdev_disk_io_trim(zio);
rw_exit(&vd->vd_lock);
zio_interrupt(zio);
return;