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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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83ca14fdd3
The legacy behavior adds the pgid seed and pool together as the input for CRUSH. That is problematic because each pool's PGs end up mapping to the same OSDs: 1.5 == 2.4 == 3.3 == ... Instead, if the HASHPSPOOL flag is set, we has the ps and pool together and feed that into CRUSH. This ensures that two adjacent pools will map to an independent pseudorandom set of OSDs. Advertise our support for this via a protocol feature flag. Signed-off-by: Sage Weil <sage@inktank.com> Reviewed-by: Alex Elder <elder@inktank.com>
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
#ifndef __CEPH_FEATURES
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#define __CEPH_FEATURES
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/*
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* feature bits
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*/
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#define CEPH_FEATURE_UID (1<<0)
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#define CEPH_FEATURE_NOSRCADDR (1<<1)
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#define CEPH_FEATURE_MONCLOCKCHECK (1<<2)
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#define CEPH_FEATURE_FLOCK (1<<3)
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#define CEPH_FEATURE_SUBSCRIBE2 (1<<4)
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#define CEPH_FEATURE_MONNAMES (1<<5)
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#define CEPH_FEATURE_RECONNECT_SEQ (1<<6)
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#define CEPH_FEATURE_DIRLAYOUTHASH (1<<7)
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#define CEPH_FEATURE_OBJECTLOCATOR (1<<8)
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#define CEPH_FEATURE_PGID64 (1<<9)
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#define CEPH_FEATURE_INCSUBOSDMAP (1<<10)
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#define CEPH_FEATURE_PGPOOL3 (1<<11)
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#define CEPH_FEATURE_OSDREPLYMUX (1<<12)
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#define CEPH_FEATURE_OSDENC (1<<13)
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#define CEPH_FEATURE_OMAP (1<<14)
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#define CEPH_FEATURE_MONENC (1<<15)
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#define CEPH_FEATURE_QUERY_T (1<<16)
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#define CEPH_FEATURE_INDEP_PG_MAP (1<<17)
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#define CEPH_FEATURE_CRUSH_TUNABLES (1<<18)
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#define CEPH_FEATURE_CHUNKY_SCRUB (1<<19)
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#define CEPH_FEATURE_MON_NULLROUTE (1<<20)
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#define CEPH_FEATURE_MON_GV (1<<21)
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#define CEPH_FEATURE_BACKFILL_RESERVATION (1<<22)
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#define CEPH_FEATURE_MSG_AUTH (1<<23)
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#define CEPH_FEATURE_RECOVERY_RESERVATION (1<<24)
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#define CEPH_FEATURE_CRUSH_TUNABLES2 (1<<25)
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#define CEPH_FEATURE_CREATEPOOLID (1<<26)
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#define CEPH_FEATURE_REPLY_CREATE_INODE (1<<27)
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#define CEPH_FEATURE_OSD_HBMSGS (1<<28)
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#define CEPH_FEATURE_MDSENC (1<<29)
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#define CEPH_FEATURE_OSDHASHPSPOOL (1<<30)
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/*
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* Features supported.
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*/
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#define CEPH_FEATURES_SUPPORTED_DEFAULT \
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(CEPH_FEATURE_NOSRCADDR | \
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CEPH_FEATURE_PGID64 | \
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CEPH_FEATURE_PGPOOL3 | \
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CEPH_FEATURE_OSDENC | \
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CEPH_FEATURE_CRUSH_TUNABLES | \
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CEPH_FEATURE_CRUSH_TUNABLES2 | \
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CEPH_FEATURE_REPLY_CREATE_INODE | \
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CEPH_FEATURE_OSDHASHPSPOOL)
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#define CEPH_FEATURES_REQUIRED_DEFAULT \
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(CEPH_FEATURE_NOSRCADDR | \
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CEPH_FEATURE_PGID64 | \
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CEPH_FEATURE_PGPOOL3 | \
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CEPH_FEATURE_OSDENC)
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#endif
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