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authorMatthew Ahrens <[email protected]>2015-12-26 22:10:31 +0100
committerBrian Behlendorf <[email protected]>2016-01-12 09:02:33 -0800
commit7f60329a261bd48558a498fb10e9b29638eab33b (patch)
tree5e6616fbac91442ce424ca44a8288bf9f46db3cc /TEST
parentab5cbbd1078bf007b50b084bb31fd58c7c5652f4 (diff)
Illumos 5987 - zfs prefetch code needs work
5987 zfs prefetch code needs work Reviewed by: Adam Leventhal <[email protected]> Reviewed by: George Wilson <[email protected]> Reviewed by: Paul Dagnelie <[email protected]> Approved by: Gordon Ross <[email protected]> References: https://www.illumos.org/issues/5987 zfs prefetch code needs work illumos/illumos-gate@cf6106c 5987 zfs prefetch code needs work Porting notes: - [module/zfs/dbuf.c] - 5f6d0b6 Handle block pointers with a corrupt logical size - [module/zfs/dmu_zfetch.c] - c65aa5b Fix gcc missing parenthesis warnings - 428870f Update core ZFS code from build 121 to build 141. - 79c76d5 Change KM_PUSHPAGE -> KM_SLEEP - b8d06fc Switch KM_SLEEP to KM_PUSHPAGE - Account for ISO C90 - mixed declarations and code - warnings - Module parameters (new/changed): - Replaced zfetch_block_cap with zfetch_max_distance (Max bytes to prefetch per stream (default 8MB; 8 * 1024 * 1024)) - Preserved zfs_prefetch_disable as 'int' for consistency with existing Linux module options. - [include/sys/trace_arc.h] - Added new tracepoints - DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__sync__wait__for__async); - DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch); - [man/man5/zfs-module-parameters.5] - Updated man page Ported-by: kernelOfTruth [email protected] Signed-off-by: Brian Behlendorf <[email protected]>
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