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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>
This commit is contained in:
Tejun Heo 2013-02-27 17:04:43 -08:00 committed by Linus Torvalds
parent b98c52b572
commit c9365bd028
2 changed files with 14 additions and 16 deletions
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15
drivers/target/iscsi/iscsi_target.c
View File

@ -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);

15
drivers/target/iscsi/iscsi_target_login.c
View File

@ -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);