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staging: lustre: delete striped directory

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Add delete striped directory, it includes

1. enable sync log between MDTs, so slave objects will
   be delete by unlink log, which is similar as deleting ost
   object.

2. retrieve layout information of striped directory on MDT,
   then lock all of the slave objects before unlink.

Signed-off-by: wang di <di.wang@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3531
Reviewed-on: http://review.whamcloud.com/7445
Reviewed-by: Alex Zhuravlev <alexey.zhuravlev@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.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 2016-08-16 16:18:27 -04:00 • committed by Greg Kroah-Hartman
commit 75ac62fc39
5 changed files with 65 additions and 27 deletions
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