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pnfs: Refactor the *_layout_mark_request_commit to use pnfs_layout_mark_request_commit

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The File Layout's filelayout_mark_request_commit() is almost the
Flex File Layout's ff_layout_mark_request_commit(). And that can
be reduced by calling into nfs_request_add_commit_list().

Signed-off-by: Tom Haynes <loghyr@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Tom Haynes
2015-02-17 14:58:15 -08:00
committed by Trond Myklebust
parent 487b9b8afd
commit 338d00cfef
4 changed files with 45 additions and 75 deletions
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30
fs/nfs/pnfs_nfs.c
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@@ -838,3 +838,33 @@ out_err:
return NULL;
}
EXPORT_SYMBOL_GPL(nfs4_decode_mp_ds_addr);
void
pnfs_layout_mark_request_commit(struct nfs_page *req,
struct pnfs_layout_segment *lseg,
struct nfs_commit_info *cinfo,
u32 ds_commit_idx)
{
struct list_head *list;
struct pnfs_commit_bucket *buckets;
spin_lock(cinfo->lock);
buckets = cinfo->ds->buckets;
list = &buckets[ds_commit_idx].written;
if (list_empty(list)) {
/* Non-empty buckets hold a reference on the lseg. That ref
* is normally transferred to the COMMIT call and released
* there. It could also be released if the last req is pulled
* off due to a rewrite, in which case it will be done in
* pnfs_common_clear_request_commit
*/
WARN_ON_ONCE(buckets[ds_commit_idx].wlseg != NULL);
buckets[ds_commit_idx].wlseg = pnfs_get_lseg(lseg);
}
set_bit(PG_COMMIT_TO_DS, &req->wb_flags);
cinfo->ds->nwritten++;
spin_unlock(cinfo->lock);
nfs_request_add_commit_list(req, list, cinfo);
}
EXPORT_SYMBOL_GPL(pnfs_layout_mark_request_commit);