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Diffstat (limited to 'fs/netfs/buffered_read.c')
-rw-r--r--fs/netfs/buffered_read.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c
index f761d44b3436..0d1b6d35ff3b 100644
--- a/fs/netfs/buffered_read.c
+++ b/fs/netfs/buffered_read.c
@@ -155,8 +155,9 @@ static void netfs_read_cache_to_pagecache(struct netfs_io_request *rreq,
netfs_cache_read_terminated, subreq);
}
-static void netfs_issue_read(struct netfs_io_request *rreq,
- struct netfs_io_subrequest *subreq)
+static void netfs_queue_read(struct netfs_io_request *rreq,
+ struct netfs_io_subrequest *subreq,
+ bool last_subreq)
{
struct netfs_io_stream *stream = &rreq->io_streams[0];
@@ -177,8 +178,17 @@ static void netfs_issue_read(struct netfs_io_request *rreq,
}
}
+ if (last_subreq) {
+ smp_wmb(); /* Write lists before ALL_QUEUED. */
+ set_bit(NETFS_RREQ_ALL_QUEUED, &rreq->flags);
+ }
+
spin_unlock(&rreq->lock);
+}
+static void netfs_issue_read(struct netfs_io_request *rreq,
+ struct netfs_io_subrequest *subreq)
+{
switch (subreq->source) {
case NETFS_DOWNLOAD_FROM_SERVER:
rreq->netfs_ops->issue_read(subreq);
@@ -293,11 +303,8 @@ static void netfs_read_to_pagecache(struct netfs_io_request *rreq)
}
size -= slice;
start += slice;
- if (size <= 0) {
- smp_wmb(); /* Write lists before ALL_QUEUED. */
- set_bit(NETFS_RREQ_ALL_QUEUED, &rreq->flags);
- }
+ netfs_queue_read(rreq, subreq, size <= 0);
netfs_issue_read(rreq, subreq);
cond_resched();
} while (size > 0);