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Illumos 5349 - verify that block pointer is plausible before reading

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5349 verify that block pointer is plausible before reading
Reviewed by: Alex Reece <alex.reece@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Xin Li <delphij@FreeBSD.org>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Approved by: Gordon Ross <gwr@nexenta.com>

References:
  https://www.illumos.org/issues/5349
  https://github.com/illumos/illumos-gate/commit/f63ab3d5

Porting notes:
* Several variable declarations were moved due to C style needs

Ported-by: DHE <git@dehacked.net>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3373
This commit is contained in:
Matthew Ahrens
2014-11-26 09:57:30 -08:00
committed by Brian Behlendorf
parent f0da4d1508
commit 63e3a8616b
2 changed files with 91 additions and 4 deletions
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include/sys/spa.h
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@@ -830,6 +830,7 @@ extern boolean_t spa_has_slogs(spa_t *spa);
extern boolean_t spa_is_root(spa_t *spa);
extern boolean_t spa_writeable(spa_t *spa);
extern boolean_t spa_has_pending_synctask(spa_t *spa);
extern void zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp);
extern int spa_mode(spa_t *spa);
extern uint64_t strtonum(const char *str, char **nptr);