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staging: lustre: llite: handle xattr cache refill race

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In ll_xattr_cache_refill() if the xattr cache was invalid (and no
request was sent) then return -EAGAIN so that ll_getxattr_common()
caller will fetch the xattr from the MDT.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-10132
Reviewed-on: https://review.whamcloud.com/29654
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Lai Siyao <lai.siyao@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:
John L. Hammond 2018-04-16 00:14:54 -04:00 • committed by Greg Kroah-Hartman
commit a2fc74bc36
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/lustre/lustre/llite/xattr_cache.c
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@ -357,7 +357,7 @@ static int ll_xattr_cache_refill(struct inode *inode)
if (unlikely(!req)) {
CDEBUG(D_CACHE, "cancelled by a parallel getxattr\n");
ll_intent_drop_lock(&oit);
rc = -EIO;
rc = -EAGAIN;
goto err_unlock;
}