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| author | NeilBrown <neilb@suse.de> | 2009-09-09 16:32:54 +1000 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-09-18 11:47:49 -0400 |
| commit | 67e7328f1577230ef3a1430c1a7e5c07978c6e51 (patch) | |
| tree | 6b160d46c8bfbc5b04b4d532f0ad99067feab49e /net | |
| parent | c0826574ddc0df486ecfc2d655e08904c6513209 (diff) | |
| download | linux-67e7328f1577230ef3a1430c1a7e5c07978c6e51.tar.gz linux-67e7328f1577230ef3a1430c1a7e5c07978c6e51.tar.bz2 linux-67e7328f1577230ef3a1430c1a7e5c07978c6e51.zip | |
sunrpc/cache: use list_del_init for the list_head entries in cache_deferred_req
Using list_del_init is generally safer than list_del, and it will
allow us, in a subsequent patch, to see if an entry has already been
processed or not.
Signed-off-by: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/cache.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index f2895d0a5f81..4a32a30a03eb 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -529,8 +529,8 @@ static int cache_defer_req(struct cache_req *req, struct cache_head *item) if (++cache_defer_cnt > DFR_MAX) { dreq = list_entry(cache_defer_list.prev, struct cache_deferred_req, recent); - list_del(&dreq->recent); - list_del(&dreq->hash); + list_del_init(&dreq->recent); + list_del_init(&dreq->hash); cache_defer_cnt--; } spin_unlock(&cache_defer_lock); @@ -564,7 +564,7 @@ static void cache_revisit_request(struct cache_head *item) dreq = list_entry(lp, struct cache_deferred_req, hash); lp = lp->next; if (dreq->item == item) { - list_del(&dreq->hash); + list_del_init(&dreq->hash); list_move(&dreq->recent, &pending); cache_defer_cnt--; } @@ -590,7 +590,7 @@ void cache_clean_deferred(void *owner) list_for_each_entry_safe(dreq, tmp, &cache_defer_list, recent) { if (dreq->owner == owner) { - list_del(&dreq->hash); + list_del_init(&dreq->hash); list_move(&dreq->recent, &pending); cache_defer_cnt--; } |