#include <linux/string.h>
#include <linux/list.h>
#include <linux/wait.h>
+#include <linux/slab.h>
#include <linux/pagemap.h>
#include <linux/ctype.h>
#include <linux/utsname.h>
bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
unsigned int rsize;
unsigned int wsize;
- unsigned int sockopt;
+ bool sockopt_tcp_nodelay:1;
unsigned short int port;
char *prepath;
};
char *data;
unsigned int temp_len, i, j;
char separator[2];
+ short int override_uid = -1;
+ short int override_gid = -1;
+ bool uid_specified = false;
+ bool gid_specified = false;
separator[0] = ',';
separator[1] = 0;
"too long.\n");
return 1;
}
- } else if (strnicmp(data, "uid", 3) == 0) {
- if (value && *value)
- vol->linux_uid =
- simple_strtoul(value, &value, 0);
- } else if (strnicmp(data, "forceuid", 8) == 0) {
- vol->override_uid = 1;
- } else if (strnicmp(data, "gid", 3) == 0) {
- if (value && *value)
- vol->linux_gid =
- simple_strtoul(value, &value, 0);
- } else if (strnicmp(data, "forcegid", 8) == 0) {
- vol->override_gid = 1;
+ } else if (!strnicmp(data, "uid", 3) && value && *value) {
+ vol->linux_uid = simple_strtoul(value, &value, 0);
+ uid_specified = true;
+ } else if (!strnicmp(data, "forceuid", 8)) {
+ override_uid = 1;
+ } else if (!strnicmp(data, "noforceuid", 10)) {
+ override_uid = 0;
+ } else if (!strnicmp(data, "gid", 3) && value && *value) {
+ vol->linux_gid = simple_strtoul(value, &value, 0);
+ gid_specified = true;
+ } else if (!strnicmp(data, "forcegid", 8)) {
+ override_gid = 1;
+ } else if (!strnicmp(data, "noforcegid", 10)) {
+ override_gid = 0;
} else if (strnicmp(data, "file_mode", 4) == 0) {
if (value && *value) {
vol->file_mode =
simple_strtoul(value, &value, 0);
}
} else if (strnicmp(data, "sockopt", 5) == 0) {
- if (value && *value) {
- vol->sockopt =
- simple_strtoul(value, &value, 0);
+ if (!value || !*value) {
+ cERROR(1, ("no socket option specified"));
+ continue;
+ } else if (strnicmp(value, "TCP_NODELAY", 11) == 0) {
+ vol->sockopt_tcp_nodelay = 1;
}
} else if (strnicmp(data, "netbiosname", 4) == 0) {
if (!value || !*value || (*value == ' ')) {
if (vol->UNCip == NULL)
vol->UNCip = &vol->UNC[2];
+ if (uid_specified)
+ vol->override_uid = override_uid;
+ else if (override_uid == 1)
+ printk(KERN_NOTICE "CIFS: ignoring forceuid mount option "
+ "specified with no uid= option.\n");
+
+ if (gid_specified)
+ vol->override_gid = override_gid;
+ else if (override_gid == 1)
+ printk(KERN_NOTICE "CIFS: ignoring forcegid mount option "
+ "specified with no gid= option.\n");
+
return 0;
}
static struct TCP_Server_Info *
-cifs_find_tcp_session(struct sockaddr_storage *addr)
+cifs_find_tcp_session(struct sockaddr_storage *addr, unsigned short int port)
{
struct list_head *tmp;
struct TCP_Server_Info *server;
if (server->tcpStatus == CifsNew)
continue;
- if (addr->ss_family == AF_INET &&
- (addr4->sin_addr.s_addr !=
- server->addr.sockAddr.sin_addr.s_addr))
- continue;
- else if (addr->ss_family == AF_INET6 &&
- (!ipv6_addr_equal(&server->addr.sockAddr6.sin6_addr,
- &addr6->sin6_addr) ||
- server->addr.sockAddr6.sin6_scope_id !=
- addr6->sin6_scope_id))
- continue;
+ switch (addr->ss_family) {
+ case AF_INET:
+ if (addr4->sin_addr.s_addr ==
+ server->addr.sockAddr.sin_addr.s_addr) {
+ addr4->sin_port = htons(port);
+ /* user overrode default port? */
+ if (addr4->sin_port) {
+ if (addr4->sin_port !=
+ server->addr.sockAddr.sin_port)
+ continue;
+ }
+ break;
+ } else
+ continue;
+
+ case AF_INET6:
+ if (ipv6_addr_equal(&addr6->sin6_addr,
+ &server->addr.sockAddr6.sin6_addr) &&
+ (addr6->sin6_scope_id ==
+ server->addr.sockAddr6.sin6_scope_id)) {
+ addr6->sin6_port = htons(port);
+ /* user overrode default port? */
+ if (addr6->sin6_port) {
+ if (addr6->sin6_port !=
+ server->addr.sockAddr6.sin6_port)
+ continue;
+ }
+ break;
+ } else
+ continue;
+ }
++server->srv_count;
write_unlock(&cifs_tcp_ses_lock);
}
/* see if we already have a matching tcp_ses */
- tcp_ses = cifs_find_tcp_session(&addr);
+ tcp_ses = cifs_find_tcp_session(&addr, volume_info->port);
if (tcp_ses)
return tcp_ses;
tcp_ses->noblocksnd = volume_info->noblocksnd;
tcp_ses->noautotune = volume_info->noautotune;
+ tcp_ses->tcp_nodelay = volume_info->sockopt_tcp_nodelay;
atomic_set(&tcp_ses->inFlight, 0);
init_waitqueue_head(&tcp_ses->response_q);
init_waitqueue_head(&tcp_ses->request_q);
out_err:
if (tcp_ses) {
- kfree(tcp_ses->hostname);
+ if (!IS_ERR(tcp_ses->hostname))
+ kfree(tcp_ses->hostname);
if (tcp_ses->ssocket)
sock_release(tcp_ses->ssocket);
kfree(tcp_ses);
CIFSSMBTDis(xid, tcon);
_FreeXid(xid);
- DeleteTconOplockQEntries(tcon);
tconInfoFree(tcon);
cifs_put_smb_ses(ses);
}
ipv4_connect(struct TCP_Server_Info *server)
{
int rc = 0;
+ int val;
bool connected = false;
__be16 orig_port = 0;
struct socket *socket = server->ssocket;
socket->sk->sk_rcvbuf = 140 * 1024;
}
+ if (server->tcp_nodelay) {
+ val = 1;
+ rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY,
+ (char *)&val, sizeof(val));
+ if (rc)
+ cFYI(1, ("set TCP_NODELAY socket option error %d", rc));
+ }
+
cFYI(1, ("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",
socket->sk->sk_sndbuf,
socket->sk->sk_rcvbuf, socket->sk->sk_rcvtimeo));
ipv6_connect(struct TCP_Server_Info *server)
{
int rc = 0;
+ int val;
bool connected = false;
__be16 orig_port = 0;
struct socket *socket = server->ssocket;
*/
socket->sk->sk_rcvtimeo = 7 * HZ;
socket->sk->sk_sndtimeo = 5 * HZ;
+
+ if (server->tcp_nodelay) {
+ val = 1;
+ rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY,
+ (char *)&val, sizeof(val));
+ if (rc)
+ cFYI(1, ("set TCP_NODELAY socket option error %d", rc));
+ }
+
server->ssocket = socket;
return rc;
struct cifs_sb_info *cifs_sb, const char *full_path)
{
int rc;
- __u64 inode_num;
FILE_ALL_INFO *pfile_info;
- rc = CIFSGetSrvInodeNumber(xid, tcon, full_path, &inode_num,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);
- if (rc != -EOPNOTSUPP)
- return rc;
-
pfile_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (pfile_info == NULL)
return -ENOMEM;
cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
char *mount_data_global, const char *devname)
{
- int rc = 0;
+ int rc;
int xid;
struct smb_vol *volume_info;
- struct cifsSesInfo *pSesInfo = NULL;
- struct cifsTconInfo *tcon = NULL;
- struct TCP_Server_Info *srvTcp = NULL;
+ struct cifsSesInfo *pSesInfo;
+ struct cifsTconInfo *tcon;
+ struct TCP_Server_Info *srvTcp;
char *full_path;
char *mount_data = mount_data_global;
#ifdef CONFIG_CIFS_DFS_UPCALL
int referral_walks_count = 0;
try_mount_again:
#endif
+ rc = 0;
+ tcon = NULL;
+ pSesInfo = NULL;
+ srvTcp = NULL;
full_path = NULL;
xid = GetXid();
*/
cifs_put_tcp_session(srvTcp);
- down(&pSesInfo->sesSem);
+ mutex_lock(&pSesInfo->session_mutex);
if (pSesInfo->need_reconnect) {
cFYI(1, ("Session needs reconnect"));
rc = cifs_setup_session(xid, pSesInfo,
cifs_sb->local_nls);
}
- up(&pSesInfo->sesSem);
+ mutex_unlock(&pSesInfo->session_mutex);
} else if (!rc) {
cFYI(1, ("Existing smb sess not found"));
pSesInfo = sesInfoAlloc();
}
pSesInfo->linux_uid = volume_info->linux_uid;
pSesInfo->overrideSecFlg = volume_info->secFlg;
- down(&pSesInfo->sesSem);
+ mutex_lock(&pSesInfo->session_mutex);
/* BB FIXME need to pass vol->secFlgs BB */
rc = cifs_setup_session(xid, pSesInfo,
cifs_sb->local_nls);
- up(&pSesInfo->sesSem);
+ mutex_unlock(&pSesInfo->session_mutex);
}
/* search for existing tcon to this server share */
tcon->local_lease = volume_info->local_lease;
}
if (pSesInfo) {
- if (pSesInfo->capabilities & CAP_LARGE_FILES) {
- sb->s_maxbytes = (u64) 1 << 63;
- } else
- sb->s_maxbytes = (u64) 1 << 31; /* 2 GB */
+ if (pSesInfo->capabilities & CAP_LARGE_FILES)
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ else
+ sb->s_maxbytes = MAX_NON_LFS;
}
/* BB FIXME fix time_gran to be larger for LANMAN sessions */
if (mount_data != mount_data_global)
kfree(mount_data);
+
mount_data = cifs_compose_mount_options(
cifs_sb->mountdata, full_path + 1,
referrals, &fake_devname);
- kfree(fake_devname);
+
free_dfs_info_array(referrals, num_referrals);
+ kfree(fake_devname);
+ kfree(full_path);
+
+ if (IS_ERR(mount_data)) {
+ rc = PTR_ERR(mount_data);
+ mount_data = NULL;
+ goto mount_fail_check;
+ }
if (tcon)
cifs_put_tcon(tcon);
cifs_put_smb_ses(pSesInfo);
cleanup_volume_info(&volume_info);
- FreeXid(xid);
- kfree(full_path);
referral_walks_count++;
+ FreeXid(xid);
goto try_mount_again;
}
#else /* No DFS support, return error on mount */
return -EIO;
smb_buffer = cifs_buf_get();
- if (smb_buffer == NULL) {
+ if (smb_buffer == NULL)
return -ENOMEM;
- }
+
smb_buffer_response = smb_buffer;
header_assemble(smb_buffer, SMB_COM_TREE_CONNECT_ANDX,
strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
/* mostly informational -- no need to fail on error here */
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr,
bytes_left, is_unicode,
nls_codepage);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff