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-rw-r--r--drivers/target/iscsi/iscsi_target.c15
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c15
-rw-r--r--drivers/target/sbp/sbp_target.c2
-rw-r--r--drivers/target/target_core_alua.c35
-rw-r--r--drivers/target/target_core_file.c2
-rw-r--r--drivers/target/target_core_pr.c27
-rw-r--r--drivers/target/tcm_fc/tfc_sess.c12
7 files changed, 37 insertions, 71 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index af77396234a2..7ea246a07731 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 fdb632f0ab85..2535d4d46c0e 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);
diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 9d3dadeed82f..d3536f57444f 100644
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -1719,7 +1719,7 @@ static struct se_node_acl *sbp_alloc_fabric_acl(struct se_portal_group *se_tpg)
nacl = kzalloc(sizeof(struct sbp_nacl), GFP_KERNEL);
if (!nacl) {
- pr_err("Unable to alocate struct sbp_nacl\n");
+ pr_err("Unable to allocate struct sbp_nacl\n");
return NULL;
}
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 7d4ec02e29a9..ff1c5ee352cb 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -27,6 +27,7 @@
#include <linux/spinlock.h>
#include <linux/configfs.h>
#include <linux/export.h>
+#include <linux/file.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <asm/unaligned.h>
@@ -715,36 +716,18 @@ static int core_alua_write_tpg_metadata(
unsigned char *md_buf,
u32 md_buf_len)
{
- mm_segment_t old_fs;
- struct file *file;
- struct iovec iov[1];
- int flags = O_RDWR | O_CREAT | O_TRUNC, ret;
-
- memset(iov, 0, sizeof(struct iovec));
+ struct file *file = filp_open(path, O_RDWR | O_CREAT | O_TRUNC, 0600);
+ int ret;
- file = filp_open(path, flags, 0600);
- if (IS_ERR(file) || !file || !file->f_dentry) {
- pr_err("filp_open(%s) for ALUA metadata failed\n",
- path);
+ if (IS_ERR(file)) {
+ pr_err("filp_open(%s) for ALUA metadata failed\n", path);
return -ENODEV;
}
-
- iov[0].iov_base = &md_buf[0];
- iov[0].iov_len = md_buf_len;
-
- old_fs = get_fs();
- set_fs(get_ds());
- ret = vfs_writev(file, &iov[0], 1, &file->f_pos);
- set_fs(old_fs);
-
- if (ret < 0) {
+ ret = kernel_write(file, md_buf, md_buf_len, 0);
+ if (ret < 0)
pr_err("Error writing ALUA metadata file: %s\n", path);
- filp_close(file, NULL);
- return -EIO;
- }
- filp_close(file, NULL);
-
- return 0;
+ fput(file);
+ return ret ? -EIO : 0;
}
/*
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 2936cfe41dc1..17a6acbc3ab0 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -270,7 +270,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct scatterlist *sgl,
* the expected virt_size for struct file w/o a backing struct
* block_device.
*/
- if (S_ISBLK(fd->f_dentry->d_inode->i_mode)) {
+ if (S_ISBLK(file_inode(fd)->i_mode)) {
if (ret < 0 || ret != cmd->data_length) {
pr_err("%s() returned %d, expecting %u for "
"S_ISBLK\n", __func__, ret,
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 8e0290b38e43..3240f2cc81ef 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/list.h>
+#include <linux/file.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <asm/unaligned.h>
@@ -1957,13 +1958,10 @@ static int __core_scsi3_write_aptpl_to_file(
{
struct t10_wwn *wwn = &dev->t10_wwn;
struct file *file;
- struct iovec iov[1];
- mm_segment_t old_fs;
int flags = O_RDWR | O_CREAT | O_TRUNC;
char path[512];
int ret;
- memset(iov, 0, sizeof(struct iovec));
memset(path, 0, 512);
if (strlen(&wwn->unit_serial[0]) >= 512) {
@@ -1974,31 +1972,22 @@ static int __core_scsi3_write_aptpl_to_file(
snprintf(path, 512, "/var/target/pr/aptpl_%s", &wwn->unit_serial[0]);
file = filp_open(path, flags, 0600);
- if (IS_ERR(file) || !file || !file->f_dentry) {
+ if (IS_ERR(file)) {
pr_err("filp_open(%s) for APTPL metadata"
" failed\n", path);
- return IS_ERR(file) ? PTR_ERR(file) : -ENOENT;
+ return PTR_ERR(file);
}
- iov[0].iov_base = &buf[0];
if (!pr_aptpl_buf_len)
- iov[0].iov_len = (strlen(&buf[0]) + 1); /* Add extra for NULL */
- else
- iov[0].iov_len = pr_aptpl_buf_len;
+ pr_aptpl_buf_len = (strlen(&buf[0]) + 1); /* Add extra for NULL */
- old_fs = get_fs();
- set_fs(get_ds());
- ret = vfs_writev(file, &iov[0], 1, &file->f_pos);
- set_fs(old_fs);
+ ret = kernel_write(file, buf, pr_aptpl_buf_len, 0);
- if (ret < 0) {
+ if (ret < 0)
pr_debug("Error writing APTPL metadata file: %s\n", path);
- filp_close(file, NULL);
- return -EIO;
- }
- filp_close(file, NULL);
+ fput(file);
- return 0;
+ return ret ? -EIO : 0;
}
static int
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 6659dd36e806..113f33598b9f 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -169,7 +169,6 @@ static struct ft_sess *ft_sess_get(struct fc_lport *lport, u32 port_id)
{
struct ft_tport *tport;
struct hlist_head *head;
- struct hlist_node *pos;
struct ft_sess *sess;
rcu_read_lock();
@@ -178,7 +177,7 @@ static struct ft_sess *ft_sess_get(struct fc_lport *lport, u32 port_id)
goto out;
head = &tport->hash[ft_sess_hash(port_id)];
- hlist_for_each_entry_rcu(sess, pos, head, hash) {
+ hlist_for_each_entry_rcu(sess, head, hash) {
if (sess->port_id == port_id) {
kref_get(&sess->kref);
rcu_read_unlock();
@@ -201,10 +200,9 @@ static struct ft_sess *ft_sess_create(struct ft_tport *tport, u32 port_id,
{
struct ft_sess *sess;
struct hlist_head *head;
- struct hlist_node *pos;
head = &tport->hash[ft_sess_hash(port_id)];
- hlist_for_each_entry_rcu(sess, pos, head, hash)
+ hlist_for_each_entry_rcu(sess, head, hash)
if (sess->port_id == port_id)
return sess;
@@ -253,11 +251,10 @@ static void ft_sess_unhash(struct ft_sess *sess)
static struct ft_sess *ft_sess_delete(struct ft_tport *tport, u32 port_id)
{
struct hlist_head *head;
- struct hlist_node *pos;
struct ft_sess *sess;
head = &tport->hash[ft_sess_hash(port_id)];
- hlist_for_each_entry_rcu(sess, pos, head, hash) {
+ hlist_for_each_entry_rcu(sess, head, hash) {
if (sess->port_id == port_id) {
ft_sess_unhash(sess);
return sess;
@@ -273,12 +270,11 @@ static struct ft_sess *ft_sess_delete(struct ft_tport *tport, u32 port_id)
static void ft_sess_delete_all(struct ft_tport *tport)
{
struct hlist_head *head;
- struct hlist_node *pos;
struct ft_sess *sess;
for (head = tport->hash;
head < &tport->hash[FT_SESS_HASH_SIZE]; head++) {
- hlist_for_each_entry_rcu(sess, pos, head, hash) {
+ hlist_for_each_entry_rcu(sess, head, hash) {
ft_sess_unhash(sess);
transport_deregister_session_configfs(sess->se_sess);
ft_sess_put(sess); /* release from table */