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Illumos #3464

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3464 zfs synctask code needs restructuring
Reviewed by: Dan Kimmel <dan.kimmel@delphix.com>
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

References:
  https://www.illumos.org/issues/3464
  illumos/illumos-gate@3b2aab1880

Ported-by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1495
This commit is contained in:
Matthew Ahrens
2013-09-04 07:00:57 -05:00
committed by Brian Behlendorf
parent 6f1ffb0665
commit 13fe019870
86 changed files with 6425 additions and 6043 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/zio.c
+6 -2
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@@ -767,6 +767,7 @@ zio_write_override(zio_t *zio, blkptr_t *bp, int copies)
void
zio_free(spa_t *spa, uint64_t txg, const blkptr_t *bp)
{
metaslab_check_free(spa, bp);
bplist_append(&spa->spa_free_bplist[txg & TXG_MASK], bp);
}
@@ -785,6 +786,8 @@ zio_free_sync(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp,
arc_freed(spa, bp);
metaslab_check_free(spa, bp);
zio = zio_create(pio, spa, txg, bp, NULL, BP_GET_PSIZE(bp),
NULL, NULL, ZIO_TYPE_FREE, ZIO_PRIORITY_FREE, flags,
NULL, 0, NULL, ZIO_STAGE_OPEN, ZIO_FREE_PIPELINE);
@@ -2060,7 +2063,7 @@ zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
bcmp(abuf->b_data, zio->io_orig_data,
zio->io_orig_size) != 0)
error = EEXIST;
VERIFY(arc_buf_remove_ref(abuf, &abuf) == 1);
VERIFY(arc_buf_remove_ref(abuf, &abuf));
}
ddt_enter(ddt);
@@ -2656,8 +2659,9 @@ zio_vdev_io_assess(zio_t *zio)
* set vdev_cant_write so that we stop trying to allocate from it.
*/
if (zio->io_error == ENXIO && zio->io_type == ZIO_TYPE_WRITE &&
vd != NULL && !vd->vdev_ops->vdev_op_leaf)
vd != NULL && !vd->vdev_ops->vdev_op_leaf) {
vd->vdev_cant_write = B_TRUE;
}
if (zio->io_error)
zio->io_pipeline = ZIO_INTERLOCK_PIPELINE;