diff options
Diffstat (limited to 'fs/netfs/read_collect.c')
| -rw-r--r-- | fs/netfs/read_collect.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/fs/netfs/read_collect.c b/fs/netfs/read_collect.c index 26e430baeb5a..2e9291ab1d62 100644 --- a/fs/netfs/read_collect.c +++ b/fs/netfs/read_collect.c @@ -362,6 +362,39 @@ static void netfs_rreq_assess_dio(struct netfs_io_request *rreq) } /* + * Do processing after reading a monolithic single object. + */ +static void netfs_rreq_assess_single(struct netfs_io_request *rreq) +{ + struct netfs_io_subrequest *subreq; + struct netfs_io_stream *stream = &rreq->io_streams[0]; + + subreq = list_first_entry_or_null(&stream->subrequests, + struct netfs_io_subrequest, rreq_link); + if (subreq) { + if (test_bit(NETFS_SREQ_FAILED, &subreq->flags)) + rreq->error = subreq->error; + else + rreq->transferred = subreq->transferred; + + if (!rreq->error && subreq->source == NETFS_DOWNLOAD_FROM_SERVER && + fscache_resources_valid(&rreq->cache_resources)) { + trace_netfs_rreq(rreq, netfs_rreq_trace_dirty); + netfs_single_mark_inode_dirty(rreq->inode); + } + } + + if (rreq->iocb) { + rreq->iocb->ki_pos += rreq->transferred; + if (rreq->iocb->ki_complete) + rreq->iocb->ki_complete( + rreq->iocb, rreq->error ? rreq->error : rreq->transferred); + } + if (rreq->netfs_ops->done) + rreq->netfs_ops->done(rreq); +} + +/* * Assess the state of a read request and decide what to do next. * * Note that we're in normal kernel thread context at this point, possibly @@ -378,9 +411,17 @@ void netfs_rreq_terminated(struct netfs_io_request *rreq) return; } - if (rreq->origin == NETFS_DIO_READ || - rreq->origin == NETFS_READ_GAPS) + switch (rreq->origin) { + case NETFS_DIO_READ: + case NETFS_READ_GAPS: netfs_rreq_assess_dio(rreq); + break; + case NETFS_READ_SINGLE: + netfs_rreq_assess_single(rreq); + break; + default: + break; + } task_io_account_read(rreq->transferred); trace_netfs_rreq(rreq, netfs_rreq_trace_wake_ip); |