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DLPX-44812 integrate EP-220 large memory scalability

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This commit is contained in:
David Quigley
2016-07-22 11:52:49 -04:00
committed by Brian Behlendorf
parent 616fa7c02b
commit a6255b7fce
49 changed files with 2625 additions and 798 deletions
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module/zfs/zil.c
+5 -1
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@@ -40,6 +40,7 @@
#include <sys/dsl_pool.h>
#include <sys/metaslab.h>
#include <sys/trace_zil.h>
#include <sys/abd.h>
/*
* The zfs intent log (ZIL) saves transaction records of system calls
@@ -878,6 +879,7 @@ zil_lwb_write_done(zio_t *zio)
* one in zil_commit_writer(). zil_sync() will only remove
* the lwb if lwb_buf is null.
*/
abd_put(zio->io_abd);
zio_buf_free(lwb->lwb_buf, lwb->lwb_sz);
mutex_enter(&zilog->zl_lock);
lwb->lwb_zio = NULL;
@@ -914,12 +916,14 @@ zil_lwb_write_init(zilog_t *zilog, lwb_t *lwb)
/* Lock so zil_sync() doesn't fastwrite_unmark after zio is created */
mutex_enter(&zilog->zl_lock);
if (lwb->lwb_zio == NULL) {
abd_t *lwb_abd = abd_get_from_buf(lwb->lwb_buf,
BP_GET_LSIZE(&lwb->lwb_blk));
if (!lwb->lwb_fastwrite) {
metaslab_fastwrite_mark(zilog->zl_spa, &lwb->lwb_blk);
lwb->lwb_fastwrite = 1;
}
lwb->lwb_zio = zio_rewrite(zilog->zl_root_zio, zilog->zl_spa,
0, &lwb->lwb_blk, lwb->lwb_buf, BP_GET_LSIZE(&lwb->lwb_blk),
0, &lwb->lwb_blk, lwb_abd, BP_GET_LSIZE(&lwb->lwb_blk),
zil_lwb_write_done, lwb, ZIO_PRIORITY_SYNC_WRITE,
ZIO_FLAG_CANFAIL | ZIO_FLAG_DONT_PROPAGATE |
ZIO_FLAG_FASTWRITE, &zb);