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author | Alexander Motin <mav@FreeBSD.org> | 2015-08-12 22:41:06 +0000 |
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committer | Alexander Motin <mav@FreeBSD.org> | 2015-08-12 22:41:06 +0000 |
commit | b696497df0197b0dc72d87fd0fedac61a504d0b7 (patch) | |
tree | 66f394e094d8472a37e6c1a6cae22884f36b19e2 /cddl/contrib/opensolaris/cmd/zhack/zhack.c | |
parent | 6b5c8394f1e8f5250d60f5117b5fc03833f28b89 (diff) | |
parent | fa4d80aacbc26c4cb733b42af06bcc8a8f6a602f (diff) | |
download | src-b696497df0197b0dc72d87fd0fedac61a504d0b7.tar.gz src-b696497df0197b0dc72d87fd0fedac61a504d0b7.zip |
MFV r286704: 5960 zfs recv should prefetch indirect blocks
5925 zfs receive -o origin=
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Author: Paul Dagnelie <pcd@delphix.com>
While running 'zfs recv' we noticed that every 128th 8K block required a
read. We were seeing that restore_write() was calling dmu_tx_hold_write()
and the indirect block was not cached. We should prefetch upcoming indirect
blocks to avoid having to go to disk and blocking the restore_write().
Allow an incremental send stream to be received as a clone, even if the
stream does not mark it as a clone.
Notes
Notes:
svn path=/head/; revision=286705
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/zhack/zhack.c')
0 files changed, 0 insertions, 0 deletions