From 874f949f141a94530f2cd36ed335e8911b2e25c8 Mon Sep 17 00:00:00 2001 From: delphij Date: Wed, 19 Mar 2014 23:44:03 +0000 Subject: MFC r260138: MFV r242733: 3306 zdb should be able to issue reads in parallel 3321 'zpool reopen' command should be documented in the man page and help message illumos/illumos-gate@31d7e8fa33fae995f558673adb22641b5aa8b6e1 FreeBSD porting notes: the kernel part of this changeset depends on Solaris buf(9S) interfaces and are not really applicable for our use. vdev_disk.c is patched as-is to reduce diverge from upstream, but vdev_file.c is left intact. --- .../opensolaris/uts/common/fs/zfs/sys/vdev_impl.h | 10 ++++++++++ .../contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c | 19 +++++++------------ 2 files changed, 17 insertions(+), 12 deletions(-) (limited to 'sys/cddl') diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h index 307e557..518ebc4 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/vdev_impl.h @@ -359,6 +359,16 @@ extern void vdev_set_min_asize(vdev_t *vd); /* zdb uses this tunable, so it must be declared here to make lint happy. */ extern int zfs_vdev_cache_size; +#ifdef illumos +/* + * The vdev_buf_t is used to translate between zio_t and buf_t, and back again. + */ +typedef struct vdev_buf { + buf_t vb_buf; /* buffer that describes the io */ + zio_t *vb_io; /* pointer back to the original zio_t */ +} vdev_buf_t; +#endif + #ifdef __cplusplus } #endif diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c index 3d11966..2785646 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_disk.c @@ -42,11 +42,6 @@ extern ldi_ident_t zfs_li; -typedef struct vdev_disk_buf { - buf_t vdb_buf; - zio_t *vdb_io; -} vdev_disk_buf_t; - static void vdev_disk_hold(vdev_t *vd) { @@ -483,8 +478,8 @@ vdev_disk_ldi_physio(ldi_handle_t vd_lh, caddr_t data, static void vdev_disk_io_intr(buf_t *bp) { - vdev_disk_buf_t *vdb = (vdev_disk_buf_t *)bp; - zio_t *zio = vdb->vdb_io; + vdev_buf_t *vb = (vdev_buf_t *)bp; + zio_t *zio = vb->vb_io; /* * The rest of the zio stack only deals with EIO, ECKSUM, and ENXIO. @@ -496,7 +491,7 @@ vdev_disk_io_intr(buf_t *bp) if (zio->io_error == 0 && bp->b_resid != 0) zio->io_error = SET_ERROR(EIO); - kmem_free(vdb, sizeof (vdev_disk_buf_t)); + kmem_free(vb, sizeof (vdev_buf_t)); zio_interrupt(zio); } @@ -527,7 +522,7 @@ vdev_disk_io_start(zio_t *zio) { vdev_t *vd = zio->io_vd; vdev_disk_t *dvd = vd->vdev_tsd; - vdev_disk_buf_t *vdb; + vdev_buf_t *vb; struct dk_callback *dkc; buf_t *bp; int error; @@ -591,10 +586,10 @@ vdev_disk_io_start(zio_t *zio) return (ZIO_PIPELINE_CONTINUE); } - vdb = kmem_alloc(sizeof (vdev_disk_buf_t), KM_SLEEP); + vb = kmem_alloc(sizeof (vdev_buf_t), KM_SLEEP); - vdb->vdb_io = zio; - bp = &vdb->vdb_buf; + vb->vb_io = zio; + bp = &vb->vb_buf; bioinit(bp); bp->b_flags = B_BUSY | B_NOCACHE | -- cgit v1.1