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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
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module/zfs/arc.c
+5 -5
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@@ -1643,12 +1643,12 @@ arc_buf_free(arc_buf_t *buf, void *tag)
}
}
int
boolean_t
arc_buf_remove_ref(arc_buf_t *buf, void* tag)
{
arc_buf_hdr_t *hdr = buf->b_hdr;
kmutex_t *hash_lock = NULL;
int no_callback = (buf->b_efunc == NULL);
boolean_t no_callback = (buf->b_efunc == NULL);
if (hdr->b_state == arc_anon) {
ASSERT(hdr->b_datacnt == 1);
@@ -1854,7 +1854,7 @@ arc_evict(arc_state_t *state, uint64_t spa, int64_t bytes, boolean_t recycle,
ARCSTAT_INCR(arcstat_mutex_miss, missed);
/*
* We have just evicted some date into the ghost state, make
* We have just evicted some data into the ghost state, make
* sure we also adjust the ghost state size if necessary.
*/
if (arc_no_grow &&
@@ -2772,7 +2772,7 @@ arc_bcopy_func(zio_t *zio, arc_buf_t *buf, void *arg)
{
if (zio == NULL || zio->io_error == 0)
bcopy(buf->b_data, arg, buf->b_hdr->b_size);
VERIFY(arc_buf_remove_ref(buf, arg) == 1);
VERIFY(arc_buf_remove_ref(buf, arg));
}
/* a generic arc_done_func_t */
@@ -2781,7 +2781,7 @@ arc_getbuf_func(zio_t *zio, arc_buf_t *buf, void *arg)
{
arc_buf_t **bufp = arg;
if (zio && zio->io_error) {
VERIFY(arc_buf_remove_ref(buf, arg) == 1);
VERIFY(arc_buf_remove_ref(buf, arg));
*bufp = NULL;
} else {
*bufp = buf;