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-rw-r--r--fs/cifs/connect.c262
1 files changed, 131 insertions, 131 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index c682be8f2984..c1cd1217c990 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -149,7 +149,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
if (ses->server) {
if (ses->server == server) {
- ses->status = CifsNeedReconnect;
+ ses->need_reconnect = true;
ses->ipc_tid = 0;
}
}
@@ -158,7 +158,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
list_for_each(tmp, &GlobalTreeConnectionList) {
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
if ((tcon->ses) && (tcon->ses->server == server))
- tcon->tidStatus = CifsNeedReconnect;
+ tcon->need_reconnect = true;
}
read_unlock(&GlobalSMBSeslock);
/* do not want to be sending data on a socket we are freeing */
@@ -1891,6 +1891,92 @@ kill_cifsd(struct TCP_Server_Info *server)
force_sig(SIGKILL, task);
}
+static void setup_cifs_sb(struct smb_vol *pvolume_info,
+ struct cifs_sb_info *cifs_sb)
+{
+ if (pvolume_info->rsize > CIFSMaxBufSize) {
+ cERROR(1, ("rsize %d too large, using MaxBufSize",
+ pvolume_info->rsize));
+ cifs_sb->rsize = CIFSMaxBufSize;
+ } else if ((pvolume_info->rsize) &&
+ (pvolume_info->rsize <= CIFSMaxBufSize))
+ cifs_sb->rsize = pvolume_info->rsize;
+ else /* default */
+ cifs_sb->rsize = CIFSMaxBufSize;
+
+ if (pvolume_info->wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
+ cERROR(1, ("wsize %d too large, using 4096 instead",
+ pvolume_info->wsize));
+ cifs_sb->wsize = 4096;
+ } else if (pvolume_info->wsize)
+ cifs_sb->wsize = pvolume_info->wsize;
+ else
+ cifs_sb->wsize = min_t(const int,
+ PAGEVEC_SIZE * PAGE_CACHE_SIZE,
+ 127*1024);
+ /* old default of CIFSMaxBufSize was too small now
+ that SMB Write2 can send multiple pages in kvec.
+ RFC1001 does not describe what happens when frame
+ bigger than 128K is sent so use that as max in
+ conjunction with 52K kvec constraint on arch with 4K
+ page size */
+
+ if (cifs_sb->rsize < 2048) {
+ cifs_sb->rsize = 2048;
+ /* Windows ME may prefer this */
+ cFYI(1, ("readsize set to minimum: 2048"));
+ }
+ /* calculate prepath */
+ cifs_sb->prepath = pvolume_info->prepath;
+ if (cifs_sb->prepath) {
+ cifs_sb->prepathlen = strlen(cifs_sb->prepath);
+ /* we can not convert the / to \ in the path
+ separators in the prefixpath yet because we do not
+ know (until reset_cifs_unix_caps is called later)
+ whether POSIX PATH CAP is available. We normalize
+ the / to \ after reset_cifs_unix_caps is called */
+ pvolume_info->prepath = NULL;
+ } else
+ cifs_sb->prepathlen = 0;
+ cifs_sb->mnt_uid = pvolume_info->linux_uid;
+ cifs_sb->mnt_gid = pvolume_info->linux_gid;
+ cifs_sb->mnt_file_mode = pvolume_info->file_mode;
+ cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
+ cFYI(1, ("file mode: 0x%x dir mode: 0x%x",
+ cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode));
+
+ if (pvolume_info->noperm)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
+ if (pvolume_info->setuids)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID;
+ if (pvolume_info->server_ino)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM;
+ if (pvolume_info->remap)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;
+ if (pvolume_info->no_xattr)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;
+ if (pvolume_info->sfu_emul)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;
+ if (pvolume_info->nobrl)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;
+ if (pvolume_info->cifs_acl)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
+ if (pvolume_info->override_uid)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;
+ if (pvolume_info->override_gid)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;
+ if (pvolume_info->dynperm)
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
+ if (pvolume_info->direct_io) {
+ cFYI(1, ("mounting share using direct i/o"));
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
+ }
+
+ if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm))
+ cERROR(1, ("mount option dynperm ignored if cifsacl "
+ "mount option supported"));
+}
+
int
cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
char *mount_data, const char *devname)
@@ -1996,9 +2082,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
goto out;
}
- if (srvTcp) {
- cFYI(1, ("Existing tcp session with server found"));
- } else { /* create socket */
+ if (!srvTcp) { /* create socket */
if (volume_info.port)
sin_server.sin_port = htons(volume_info.port);
else
@@ -2074,7 +2158,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cFYI(1, ("Existing smb sess found (status=%d)",
pSesInfo->status));
down(&pSesInfo->sesSem);
- if (pSesInfo->status == CifsNeedReconnect) {
+ if (pSesInfo->need_reconnect) {
cFYI(1, ("Session needs reconnect"));
rc = cifs_setup_session(xid, pSesInfo,
cifs_sb->local_nls);
@@ -2124,146 +2208,59 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* search for existing tcon to this server share */
if (!rc) {
- if (volume_info.rsize > CIFSMaxBufSize) {
- cERROR(1, ("rsize %d too large, using MaxBufSize",
- volume_info.rsize));
- cifs_sb->rsize = CIFSMaxBufSize;
- } else if ((volume_info.rsize) &&
- (volume_info.rsize <= CIFSMaxBufSize))
- cifs_sb->rsize = volume_info.rsize;
- else /* default */
- cifs_sb->rsize = CIFSMaxBufSize;
-
- if (volume_info.wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
- cERROR(1, ("wsize %d too large, using 4096 instead",
- volume_info.wsize));
- cifs_sb->wsize = 4096;
- } else if (volume_info.wsize)
- cifs_sb->wsize = volume_info.wsize;
- else
- cifs_sb->wsize =
- min_t(const int, PAGEVEC_SIZE * PAGE_CACHE_SIZE,
- 127*1024);
- /* old default of CIFSMaxBufSize was too small now
- that SMB Write2 can send multiple pages in kvec.
- RFC1001 does not describe what happens when frame
- bigger than 128K is sent so use that as max in
- conjunction with 52K kvec constraint on arch with 4K
- page size */
-
- if (cifs_sb->rsize < 2048) {
- cifs_sb->rsize = 2048;
- /* Windows ME may prefer this */
- cFYI(1, ("readsize set to minimum: 2048"));
- }
- /* calculate prepath */
- cifs_sb->prepath = volume_info.prepath;
- if (cifs_sb->prepath) {
- cifs_sb->prepathlen = strlen(cifs_sb->prepath);
- /* we can not convert the / to \ in the path
- separators in the prefixpath yet because we do not
- know (until reset_cifs_unix_caps is called later)
- whether POSIX PATH CAP is available. We normalize
- the / to \ after reset_cifs_unix_caps is called */
- volume_info.prepath = NULL;
- } else
- cifs_sb->prepathlen = 0;
- cifs_sb->mnt_uid = volume_info.linux_uid;
- cifs_sb->mnt_gid = volume_info.linux_gid;
- cifs_sb->mnt_file_mode = volume_info.file_mode;
- cifs_sb->mnt_dir_mode = volume_info.dir_mode;
- cFYI(1, ("file mode: 0x%x dir mode: 0x%x",
- cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode));
-
- if (volume_info.noperm)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
- if (volume_info.setuids)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SET_UID;
- if (volume_info.server_ino)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_SERVER_INUM;
- if (volume_info.remap)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_MAP_SPECIAL_CHR;
- if (volume_info.no_xattr)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_XATTR;
- if (volume_info.sfu_emul)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_UNX_EMUL;
- if (volume_info.nobrl)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_BRL;
- if (volume_info.cifs_acl)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_CIFS_ACL;
- if (volume_info.override_uid)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_UID;
- if (volume_info.override_gid)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_OVERR_GID;
- if (volume_info.dynperm)
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
- if (volume_info.direct_io) {
- cFYI(1, ("mounting share using direct i/o"));
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
- }
-
- if ((volume_info.cifs_acl) && (volume_info.dynperm))
- cERROR(1, ("mount option dynperm ignored if cifsacl "
- "mount option supported"));
+ setup_cifs_sb(&volume_info, cifs_sb);
tcon =
find_unc(sin_server.sin_addr.s_addr, volume_info.UNC,
volume_info.username);
if (tcon) {
cFYI(1, ("Found match on UNC path"));
- /* we can have only one retry value for a connection
- to a share so for resources mounted more than once
- to the same server share the last value passed in
- for the retry flag is used */
- tcon->retry = volume_info.retry;
- tcon->nocase = volume_info.nocase;
- tcon->local_lease = volume_info.local_lease;
if (tcon->seal != volume_info.seal)
cERROR(1, ("transport encryption setting "
"conflicts with existing tid"));
} else {
tcon = tconInfoAlloc();
- if (tcon == NULL)
+ if (tcon == NULL) {
rc = -ENOMEM;
- else {
- /* check for null share name ie connecting to
- * dfs root */
-
- /* BB check if this works for exactly length
- * three strings */
- if ((strchr(volume_info.UNC + 3, '\\') == NULL)
- && (strchr(volume_info.UNC + 3, '/') ==
- NULL)) {
-/* rc = connect_to_dfs_path(xid, pSesInfo,
- "", cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
- CIFS_MOUNT_MAP_SPECIAL_CHR);*/
- cFYI(1, ("DFS root not supported"));
- rc = -ENODEV;
- goto out;
- } else {
- /* BB Do we need to wrap sesSem around
- * this TCon call and Unix SetFS as
- * we do on SessSetup and reconnect? */
- rc = CIFSTCon(xid, pSesInfo,
- volume_info.UNC,
- tcon, cifs_sb->local_nls);
- cFYI(1, ("CIFS Tcon rc = %d", rc));
- if (volume_info.nodfs) {
- tcon->Flags &=
- ~SMB_SHARE_IS_IN_DFS;
- cFYI(1, ("DFS disabled (%d)",
- tcon->Flags));
- }
- }
- if (!rc) {
- atomic_inc(&pSesInfo->inUse);
- tcon->retry = volume_info.retry;
- tcon->nocase = volume_info.nocase;
- tcon->seal = volume_info.seal;
+ goto mount_fail_check;
+ }
+
+ /* check for null share name ie connect to dfs root */
+
+ /* BB check if works for exactly length 3 strings */
+ if ((strchr(volume_info.UNC + 3, '\\') == NULL)
+ && (strchr(volume_info.UNC + 3, '/') == NULL)) {
+ /* rc = connect_to_dfs_path(...) */
+ cFYI(1, ("DFS root not supported"));
+ rc = -ENODEV;
+ goto mount_fail_check;
+ } else {
+ /* BB Do we need to wrap sesSem around
+ * this TCon call and Unix SetFS as
+ * we do on SessSetup and reconnect? */
+ rc = CIFSTCon(xid, pSesInfo, volume_info.UNC,
+ tcon, cifs_sb->local_nls);
+ cFYI(1, ("CIFS Tcon rc = %d", rc));
+ if (volume_info.nodfs) {
+ tcon->Flags &= ~SMB_SHARE_IS_IN_DFS;
+ cFYI(1, ("DFS disabled (%d)",
+ tcon->Flags));
}
}
+ if (!rc) {
+ atomic_inc(&pSesInfo->inUse);
+ tcon->seal = volume_info.seal;
+ } else
+ goto mount_fail_check;
}
+
+ /* we can have only one retry value for a connection
+ to a share so for resources mounted more than once
+ to the same server share the last value passed in
+ for the retry flag is used */
+ tcon->retry = volume_info.retry;
+ tcon->nocase = volume_info.nocase;
+ tcon->local_lease = volume_info.local_lease;
}
if (pSesInfo) {
if (pSesInfo->capabilities & CAP_LARGE_FILES) {
@@ -2276,6 +2273,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
sb->s_time_gran = 100;
/* on error free sesinfo and tcon struct if needed */
+mount_fail_check:
if (rc) {
/* if session setup failed, use count is zero but
we still need to free cifsd thread */
@@ -3518,6 +3516,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
/* above now done in SendReceive */
if ((rc == 0) && (tcon != NULL)) {
tcon->tidStatus = CifsGood;
+ tcon->need_reconnect = false;
tcon->tid = smb_buffer_response->Tid;
bcc_ptr = pByteArea(smb_buffer_response);
length = strnlen(bcc_ptr, BCC(smb_buffer_response) - 2);
@@ -3746,6 +3745,7 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
cFYI(1, ("CIFS Session Established successfully"));
spin_lock(&GlobalMid_Lock);
pSesInfo->status = CifsGood;
+ pSesInfo->need_reconnect = false;
spin_unlock(&GlobalMid_Lock);
}
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