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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-09-09 16:24:46 -0700 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2013-09-10 20:23:34 -0700 |
| commit | 837f6452b870e7e68c2b6a0d50758885c860ab66 (patch) | |
| tree | 23bfb1b198195e8cc4ef6c50ae8d3f474c569345 /drivers/target/iscsi | |
| parent | f730f9158f6ee7b5c4d892af6b51a72194445ea4 (diff) | |
| download | linux-stable-837f6452b870e7e68c2b6a0d50758885c860ab66.tar.gz linux-stable-837f6452b870e7e68c2b6a0d50758885c860ab66.tar.bz2 linux-stable-837f6452b870e7e68c2b6a0d50758885c860ab66.zip | |
iscsi-target: Bump default TCP listen backlog to 256
This patch bumps the default TCP listen backlog within iscsit_setup_np()
from 5 to 256, in order to reduce the overall latency caused by a small
backlog with 100's of simultaneous login attempts directed to the same
single network portal.
Also add a ISCSIT_TCP_BACKLOG macro in iscsi_target_core.h.
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_core.h | 1 | ||||
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_login.c | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index f6ff257e2b66..1e84f6fc1cc8 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -19,6 +19,7 @@ #define WHITE_SPACE " \t\v\f\n\r" #define ISCSIT_MIN_TAGS 16 #define ISCSIT_EXTRA_TAGS 8 +#define ISCSIT_TCP_BACKLOG 256 /* struct iscsi_node_attrib sanity values */ #define NA_DATAOUT_TIMEOUT 3 diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index d903c0c702d6..5f9248ddade9 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -873,7 +873,7 @@ int iscsit_setup_np( struct __kernel_sockaddr_storage *sockaddr) { struct socket *sock = NULL; - int backlog = 5, ret, opt = 0, len; + int backlog = ISCSIT_TCP_BACKLOG, ret, opt = 0, len; switch (np->np_network_transport) { case ISCSI_TCP: |