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staging: lustre: llog: record the minimum record size 

The minimum record size will be recorded in llh_size, which is
only used by fixed size record llog now, and also add another
flag LLOG_F_IS_FIXSIZE to indicate the fix size record llog.

Signed-off-by: wang di <di.wang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-7050
Reviewed-on: http://review.whamcloud.com/16103
Reviewed-by: Mike Pershin <mike.pershin@intel.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
wang di 2016-10-27 18:12:03 -04:00 committed by Greg Kroah-Hartman
parent f906a246bb
commit b536706192
2 changed files with 8 additions and 0 deletions
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7
drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
View File

@ -3020,7 +3020,14 @@ enum llog_flag {
LLOG_F_IS_CAT = 0x2,
LLOG_F_IS_PLAIN = 0x4,
LLOG_F_EXT_JOBID = BIT(3),
LLOG_F_IS_FIXSIZE = BIT(4),
/*
* Note: Flags covered by LLOG_F_EXT_MASK will be inherited from
* catlog to plain log, so do not add LLOG_F_IS_FIXSIZE here,
* because the catlog record is usually fixed size, but its plain
* log record can be variable
*/
LLOG_F_EXT_MASK = LLOG_F_EXT_JOBID,
};

1
drivers/staging/lustre/lustre/obdclass/llog.c
View File

@ -193,6 +193,7 @@ int llog_init_handle(const struct lu_env *env, struct llog_handle *handle,
LASSERT(list_empty(&handle->u.chd.chd_head));
INIT_LIST_HEAD(&handle->u.chd.chd_head);
llh->llh_size = sizeof(struct llog_logid_rec);
llh->llh_flags |= LLOG_F_IS_FIXSIZE;
} else if (!(flags & LLOG_F_IS_PLAIN)) {
CERROR("%s: unknown flags: %#x (expected %#x or %#x)\n",
handle->lgh_ctxt->loc_obd->obd_name,