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Illumos #3498 panic in arc_read()

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3498 panic in arc_read(): !refcount_is_zero(&pbuf->b_hdr->b_refcnt)
Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

References:
  illumos/illumos-gate@1b912ec710
  https://www.illumos.org/issues/3498

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1249
This commit is contained in:
George Wilson
2013-07-02 13:26:24 -07:00
committed by Brian Behlendorf
parent 96b89346c0
commit 294f68063b
16 changed files with 75 additions and 196 deletions
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/dmu_send.c
+10 -10
View File
@@ -330,7 +330,7 @@ dump_dnode(dmu_sendarg_t *dsp, uint64_t object, dnode_phys_t *dnp)
/* ARGSUSED */
static int
backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
const zbookmark_t *zb, const dnode_phys_t *dnp, void *arg)
{
dmu_sendarg_t *dsp = arg;
@@ -359,9 +359,9 @@ backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
uint32_t aflags = ARC_WAIT;
arc_buf_t *abuf;
if (dsl_read(NULL, spa, bp, pbuf,
arc_getbuf_func, &abuf, ZIO_PRIORITY_ASYNC_READ,
ZIO_FLAG_CANFAIL, &aflags, zb) != 0)
if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf,
ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL,
&aflags, zb) != 0)
return (EIO);
blk = abuf->b_data;
@@ -378,9 +378,9 @@ backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
arc_buf_t *abuf;
int blksz = BP_GET_LSIZE(bp);
if (arc_read_nolock(NULL, spa, bp,
arc_getbuf_func, &abuf, ZIO_PRIORITY_ASYNC_READ,
ZIO_FLAG_CANFAIL, &aflags, zb) != 0)
if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf,
ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL,
&aflags, zb) != 0)
return (EIO);
err = dump_spill(dsp, zb->zb_object, blksz, abuf->b_data);
@@ -390,9 +390,9 @@ backup_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp, arc_buf_t *pbuf,
arc_buf_t *abuf;
int blksz = BP_GET_LSIZE(bp);
if (dsl_read(NULL, spa, bp, pbuf,
arc_getbuf_func, &abuf, ZIO_PRIORITY_ASYNC_READ,
ZIO_FLAG_CANFAIL, &aflags, zb) != 0) {
if (arc_read(NULL, spa, bp, arc_getbuf_func, &abuf,
ZIO_PRIORITY_ASYNC_READ, ZIO_FLAG_CANFAIL,
&aflags, zb) != 0) {
if (zfs_send_corrupt_data) {
uint64_t *ptr;
/* Send a block filled with 0x"zfs badd bloc" */