diff options
| -rw-r--r-- | fs/netfs/read_collect.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/fs/netfs/read_collect.c b/fs/netfs/read_collect.c index e8624f5c7fcc..8878b46589ff 100644 --- a/fs/netfs/read_collect.c +++ b/fs/netfs/read_collect.c @@ -258,17 +258,18 @@ donation_changed: */ if (!subreq->consumed && !prev_donated && - !list_is_first(&subreq->rreq_link, &rreq->subrequests) && - subreq->start == prev->start + prev->len) { + !list_is_first(&subreq->rreq_link, &rreq->subrequests)) { prev = list_prev_entry(subreq, rreq_link); - WRITE_ONCE(prev->next_donated, prev->next_donated + subreq->len); - subreq->start += subreq->len; - subreq->len = 0; - subreq->transferred = 0; - trace_netfs_donate(rreq, subreq, prev, subreq->len, - netfs_trace_donate_to_prev); - trace_netfs_sreq(subreq, netfs_sreq_trace_donate_to_prev); - goto remove_subreq_locked; + if (subreq->start == prev->start + prev->len) { + WRITE_ONCE(prev->next_donated, prev->next_donated + subreq->len); + subreq->start += subreq->len; + subreq->len = 0; + subreq->transferred = 0; + trace_netfs_donate(rreq, subreq, prev, subreq->len, + netfs_trace_donate_to_prev); + trace_netfs_sreq(subreq, netfs_sreq_trace_donate_to_prev); + goto remove_subreq_locked; + } } /* If we can't donate down the chain, donate up the chain instead. */ |