diff options
Diffstat (limited to 'fs/netfs')
| -rw-r--r-- | fs/netfs/read_collect.c | 15 | ||||
| -rw-r--r-- | fs/netfs/read_retry.c | 6 | ||||
| -rw-r--r-- | fs/netfs/write_collect.c | 5 | ||||
| -rw-r--r-- | fs/netfs/write_issue.c | 2 |
4 files changed, 17 insertions, 11 deletions
diff --git a/fs/netfs/read_collect.c b/fs/netfs/read_collect.c index 46ce3b7adf0722..47ed3a5044e21d 100644 --- a/fs/netfs/read_collect.c +++ b/fs/netfs/read_collect.c @@ -438,7 +438,7 @@ void netfs_read_subreq_progress(struct netfs_io_subrequest *subreq, rreq->origin == NETFS_READPAGE || rreq->origin == NETFS_READ_FOR_WRITE)) { netfs_consume_read_data(subreq, was_async); - __clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags); + __set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags); } } EXPORT_SYMBOL(netfs_read_subreq_progress); @@ -497,7 +497,7 @@ void netfs_read_subreq_terminated(struct netfs_io_subrequest *subreq, rreq->origin == NETFS_READPAGE || rreq->origin == NETFS_READ_FOR_WRITE)) { netfs_consume_read_data(subreq, was_async); - __clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags); + __set_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags); } rreq->transferred += subreq->transferred; } @@ -511,10 +511,13 @@ void netfs_read_subreq_terminated(struct netfs_io_subrequest *subreq, } else { trace_netfs_sreq(subreq, netfs_sreq_trace_short); if (subreq->transferred > subreq->consumed) { - __set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); - __clear_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags); - set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags); - } else if (!__test_and_set_bit(NETFS_SREQ_NO_PROGRESS, &subreq->flags)) { + /* If we didn't read new data, abandon retry. */ + if (subreq->retry_count && + test_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags)) { + __set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); + set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags); + } + } else if (test_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags)) { __set_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); set_bit(NETFS_RREQ_NEED_RETRY, &rreq->flags); } else { diff --git a/fs/netfs/read_retry.c b/fs/netfs/read_retry.c index 0350592ea8047d..0e72e9226fc880 100644 --- a/fs/netfs/read_retry.c +++ b/fs/netfs/read_retry.c @@ -56,6 +56,8 @@ static void netfs_retry_read_subrequests(struct netfs_io_request *rreq) if (test_bit(NETFS_SREQ_FAILED, &subreq->flags)) break; if (__test_and_clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags)) { + __clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags); + subreq->retry_count++; netfs_reset_iter(subreq); netfs_reissue_read(rreq, subreq); } @@ -137,7 +139,8 @@ static void netfs_retry_read_subrequests(struct netfs_io_request *rreq) stream0->sreq_max_len = subreq->len; __clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); - __set_bit(NETFS_SREQ_RETRYING, &subreq->flags); + __clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags); + subreq->retry_count++; spin_lock_bh(&rreq->lock); list_add_tail(&subreq->rreq_link, &rreq->subrequests); @@ -213,7 +216,6 @@ abandon: subreq->error = -ENOMEM; __clear_bit(NETFS_SREQ_FAILED, &subreq->flags); __clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); - __clear_bit(NETFS_SREQ_RETRYING, &subreq->flags); } spin_lock_bh(&rreq->lock); list_splice_tail_init(&queue, &rreq->subrequests); diff --git a/fs/netfs/write_collect.c b/fs/netfs/write_collect.c index 82290c92ba7a29..ca3a11ed9b5414 100644 --- a/fs/netfs/write_collect.c +++ b/fs/netfs/write_collect.c @@ -179,7 +179,6 @@ static void netfs_retry_write_stream(struct netfs_io_request *wreq, struct iov_iter source = subreq->io_iter; iov_iter_revert(&source, subreq->len - source.count); - __set_bit(NETFS_SREQ_RETRYING, &subreq->flags); netfs_get_subrequest(subreq, netfs_sreq_trace_get_resubmit); netfs_reissue_write(stream, subreq, &source); } @@ -234,7 +233,7 @@ static void netfs_retry_write_stream(struct netfs_io_request *wreq, /* Renegotiate max_len (wsize) */ trace_netfs_sreq(subreq, netfs_sreq_trace_retry); __clear_bit(NETFS_SREQ_NEED_RETRY, &subreq->flags); - __set_bit(NETFS_SREQ_RETRYING, &subreq->flags); + subreq->retry_count++; stream->prepare_write(subreq); part = min(len, stream->sreq_max_len); @@ -279,7 +278,7 @@ static void netfs_retry_write_stream(struct netfs_io_request *wreq, subreq->start = start; subreq->debug_index = atomic_inc_return(&wreq->subreq_counter); subreq->stream_nr = to->stream_nr; - __set_bit(NETFS_SREQ_RETRYING, &subreq->flags); + subreq->retry_count = 1; trace_netfs_sreq_ref(wreq->debug_id, subreq->debug_index, refcount_read(&subreq->ref), diff --git a/fs/netfs/write_issue.c b/fs/netfs/write_issue.c index bf6d507578e531..ff0e82505a0bd8 100644 --- a/fs/netfs/write_issue.c +++ b/fs/netfs/write_issue.c @@ -244,6 +244,8 @@ void netfs_reissue_write(struct netfs_io_stream *stream, iov_iter_advance(source, size); iov_iter_truncate(&subreq->io_iter, size); + subreq->retry_count++; + __clear_bit(NETFS_SREQ_MADE_PROGRESS, &subreq->flags); __set_bit(NETFS_SREQ_IN_PROGRESS, &subreq->flags); netfs_do_issue_write(stream, subreq); } |
