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NFSv4.1: Fix a bad reference count issue in the pNFS commit code 

filelayout_scan_commit_lists needs to bump the reference count on
the struct nfs_page just like nfs_scan_commit_list().

Reported-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2012-05-22 16:36:27 -04:00
parent b3f87b98aa
commit 53b8ee3464
1 changed files with 1 additions and 0 deletions
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fs/nfs/nfs4filelayout.c
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@ -1106,6 +1106,7 @@ transfer_commit_list(struct list_head *src, struct list_head *dst,
list_for_each_entry_safe(req, tmp, src, wb_list) {
if (!nfs_lock_request(req))
continue;
kref_get(&req->wb_kref);
if (cond_resched_lock(cinfo->lock))
list_safe_reset_next(req, tmp, wb_list);
nfs_request_remove_commit_list(req, cinfo);