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| author | Nicholas Bellinger | 2013-08-18 00:49:08 +0200 |
|---|---|---|
| committer | Nicholas Bellinger | 2013-09-09 23:29:22 +0200 |
| commit | 988e3a85463d9b6dabc681df3f8f131b23c19953 (patch) | |
| tree | 26ae4d803ff49f0938d20f910be19a172a64d8a4 /drivers/target/iscsi/iscsi_target_core.h | |
| parent | iscsi/iser-target: Convert to command priv_size usage (diff) | |
| download | kernel-qcow2-linux-988e3a85463d9b6dabc681df3f8f131b23c19953.tar.gz kernel-qcow2-linux-988e3a85463d9b6dabc681df3f8f131b23c19953.tar.xz kernel-qcow2-linux-988e3a85463d9b6dabc681df3f8f131b23c19953.zip | |
iscsi-target: Convert to per-cpu ida_alloc + ida_free command map
This patch changes iscsi-target to use transport_alloc_session_tags()
pre-allocation logic for per-cpu session tag pooling with internal
ida_alloc() + ida_free() calls based upon the saved se_cmd->map_tag id.
This includes tag pool setup based upon per NodeACL queue_depth after
locating se_node_acl in iscsi_target_locate_portal().
Also update iscsit_allocate_cmd() and iscsit_release_cmd() to use
percpu_ida_alloc() and percpu_ida_free() respectively.
v5 changes;
- Convert to percpu_ida.h include
v2 changes:
- Fix bug with SessionType=Discovery in iscsi_target_locate_portal()
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@daterainc.com>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_core.h')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_core.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 129b7d77c7cb..af3cd7a47799 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -17,6 +17,8 @@ #define SECONDS_FOR_ASYNC_TEXT 10 #define SECONDS_FOR_LOGOUT_COMP 15 #define WHITE_SPACE " \t\v\f\n\r" +#define ISCSIT_MIN_TAGS 16 +#define ISCSIT_EXTRA_TAGS 8 /* struct iscsi_node_attrib sanity values */ #define NA_DATAOUT_TIMEOUT 3 |