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Groups > linux.kernel > #1279010

[PATCH 16/21] drbd: fix maybe_pull_ahead() locking comments

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maybe_pull_ahead() calls rcu_read_lock() itself and is only
called within req_lock (locked by drbd_send_and_submit()

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
 drivers/block/drbd/drbd_req.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 2255dcf..2228012 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -995,7 +995,7 @@ static void complete_conflicting_writes(struct drbd_request *req)
 	finish_wait(&device->misc_wait, &wait);
 }
 
-/* called within req_lock and rcu_read_lock() */
+/* called within req_lock */
 static void maybe_pull_ahead(struct drbd_device *device)
 {
 	struct drbd_connection *connection = first_peer_device(device)->connection;
-- 
2.1.4

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[PATCH 00/21] drbd: clean-up patchset Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 02/21] drbd: simplify drbd_md_set_sector_offsets() Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 01/21] drbd: debugfs: constify drbd_version_fops Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 06/21] drbd: use const char * const for drbd strings Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 11/21] drbd: use | for bitmask combination Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 10/21] drbd: fix typo Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
    [PATCH 17/21] drbd: use bool for growing Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 13/21] drbd: fix drbd_bm_init() comments Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 18/21] drbd: remove redundant declarations Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 14/21] drbd: clean-up receive_SyncParam() Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 15/21] drbd: introduce peer state union Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 12/21] drbd: use true/false for bool Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 19/21] drbd: remove bm_vk_free() Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
    [PATCH 16/21] drbd: fix maybe_pull_ahead() locking comments Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
  [PATCH 09/21] drbd: use bool for peer is_ states Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 03/21] drbd: use seq_put instead of seq_print where possible Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 05/21] drbd: rework is_valid_state() Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 07/21] drbd: kerneldoc warning fix in w_e_end_data_req() Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:30 +0100
  [PATCH 21/21] drbd: replace if/BUG by BUG_ON Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100
  [PATCH 20/21] drbd: remove unused definitions Fabian Frederick <fabf@skynet.be> - 2015-11-27 22:40 +0100

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