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(parent: 6e2ec88) | patch
net/smc: pre-fetch send buffer outside of send_lock
authorKarsten Graul <kgraul@linux.ibm.com>
Sat, 30 May 2020 14:42:37 +0000 (16:42 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sun, 31 May 2020 01:12:25 +0000 (18:12 -0700)
commit89ba7373f2e7e90dae67e634da2b02e66c3440d4
tree3dbc406c8c0caec84fbc5763491d86ea13a9a20ftree | snapshot
parent6e2ec880495c6dfe1c4e60d4c6c272a779c623c3commit | diff
net/smc: pre-fetch send buffer outside of send_lock

Pre-fetch send buffer for the CDC validation message before entering the
send_lock. Without that the send call might fail with -EBUSY because
there are no free buffers and waiting for buffers is not possible under
send_lock.

Signed-off-by: Karsten Graul <kgraul@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/smc/smc_cdc.c diff | blob | history
net/smc/smc_cdc.h diff | blob | history
net/smc/smc_core.c diff | blob | history
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