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authorTejun Heo <tj@kernel.org>2013-02-27 17:04:43 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 19:10:18 -0800
commitc9365bd028a48017ebc09d7a565d3b6bbc86b3c6 (patch)
tree0a89a54581c3c9b8e16f22772068306fe6881085 /drivers/target
parentb98c52b5721f5d88cd9b18aaf532049b44f7815a (diff)
downloadlinux-c9365bd028a48017ebc09d7a565d3b6bbc86b3c6.tar.gz
target/iscsi: convert to idr_alloc()
Convert to the much saner new idr interface. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Nicholas A. Bellinger <nab@linux-iscsi.org> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/iscsi/iscsi_target.c15
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c15
2 files changed, 14 insertions, 16 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 23a98e65830..9435a3d369a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -144,23 +144,24 @@ struct iscsi_tiqn *iscsit_add_tiqn(unsigned char *buf)
spin_lock_init(&tiqn->login_stats.lock);
spin_lock_init(&tiqn->logout_stats.lock);
- if (!idr_pre_get(&tiqn_idr, GFP_KERNEL)) {
- pr_err("idr_pre_get() for tiqn_idr failed\n");
- kfree(tiqn);
- return ERR_PTR(-ENOMEM);
- }
tiqn->tiqn_state = TIQN_STATE_ACTIVE;
+ idr_preload(GFP_KERNEL);
spin_lock(&tiqn_lock);
- ret = idr_get_new(&tiqn_idr, NULL, &tiqn->tiqn_index);
+
+ ret = idr_alloc(&tiqn_idr, NULL, 0, 0, GFP_NOWAIT);
if (ret < 0) {
- pr_err("idr_get_new() failed for tiqn->tiqn_index\n");
+ pr_err("idr_alloc() failed for tiqn->tiqn_index\n");
spin_unlock(&tiqn_lock);
+ idr_preload_end();
kfree(tiqn);
return ERR_PTR(ret);
}
+ tiqn->tiqn_index = ret;
list_add_tail(&tiqn->tiqn_list, &g_tiqn_list);
+
spin_unlock(&tiqn_lock);
+ idr_preload_end();
pr_debug("CORE[0] - Added iSCSI Target IQN: %s\n", tiqn->tiqn);
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index fdb632f0ab8..2535d4d46c0 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -247,19 +247,16 @@ static int iscsi_login_zero_tsih_s1(
spin_lock_init(&sess->session_usage_lock);
spin_lock_init(&sess->ttt_lock);
- if (!idr_pre_get(&sess_idr, GFP_KERNEL)) {
- pr_err("idr_pre_get() for sess_idr failed\n");
- iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
- ISCSI_LOGIN_STATUS_NO_RESOURCES);
- kfree(sess);
- return -ENOMEM;
- }
+ idr_preload(GFP_KERNEL);
spin_lock_bh(&sess_idr_lock);
- ret = idr_get_new(&sess_idr, NULL, &sess->session_index);
+ ret = idr_alloc(&sess_idr, NULL, 0, 0, GFP_NOWAIT);
+ if (ret >= 0)
+ sess->session_index = ret;
spin_unlock_bh(&sess_idr_lock);
+ idr_preload_end();
if (ret < 0) {
- pr_err("idr_get_new() for sess_idr failed\n");
+ pr_err("idr_alloc() for sess_idr failed\n");
iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR,
ISCSI_LOGIN_STATUS_NO_RESOURCES);
kfree(sess);