staging: lustre: mgc: MGC should retry for invalid import

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After http://review.whamcloud.com/#/c/9967/ is landed, mgc does
not wait the import connected(state = FULL), then enqueue and
retrieve config log, which will cause the mount process to fail,
especially if the mgc is shared by multiple targets.
So once mgc enqueue is failed, it will give another chance to
wait the import to recover, if the import comes back in time,
it will try to enqueue again. Otherwise it will use local config log.

Signed-off-by: wang di <di.wang@intel.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5420
Reviewed-on: http://review.whamcloud.com/11258
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

wang di 2016-10-02 22:28:19 -04:00 • committed by Greg Kroah-Hartman

parent 7c6564d02a

commit e3d8635807

3 changed files with 81 additions and 8 deletions

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1

drivers/staging/lustre/lustre/include/lustre_ha.h

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85

drivers/staging/lustre/lustre/mgc/mgc_request.c

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3

drivers/staging/lustre/lustre/ptlrpc/import.c

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