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Merge branch 'master' into next

Browse Source 
Conflicts:
	fs/cifs/misc.c

Merge to resolve above, per the patch below.

Signed-off-by: James Morris <jmorris@namei.org>

diff --cc fs/cifs/misc.c
index ec36410,addd1dc..0000000
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@@ -347,13 -338,13 +338,13 @@@ header_assemble(struct smb_hdr *buffer
  		/*  BB Add support for establishing new tCon and SMB Session  */
  		/*      with userid/password pairs found on the smb session   */
  		/*	for other target tcp/ip addresses 		BB    */
 -				if (current->fsuid != treeCon->ses->linux_uid) {
 +				if (current_fsuid() != treeCon->ses->linux_uid) {
  					cFYI(1, ("Multiuser mode and UID "
  						 "did not match tcon uid"));
- 					read_lock(&GlobalSMBSeslock);
- 					list_for_each(temp_item, &GlobalSMBSessionList) {
- 						ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList);
+ 					read_lock(&cifs_tcp_ses_lock);
+ 					list_for_each(temp_item, &treeCon->ses->server->smb_ses_list) {
+ 						ses = list_entry(temp_item, struct cifsSesInfo, smb_ses_list);
 -						if (ses->linux_uid == current->fsuid) {
 +						if (ses->linux_uid == current_fsuid()) {
  							if (ses->server == treeCon->ses->server) {
  								cFYI(1, ("found matching uid substitute right smb_uid"));
  								buffer->Uid = ses->Suid;
This commit is contained in:
James Morris
2008-11-18 18:52:37 +11:00
parent e50a906e02 4e14e833ac
commit f3a5c54701
184 changed files with 2409 additions and 1532 deletions
Download Patch File Download Diff File Expand all files Collapse all files

90
fs/cifs/misc.c
View File

@@ -75,12 +75,12 @@ sesInfoAlloc(void)
ret_buf = kzalloc(sizeof(struct cifsSesInfo), GFP_KERNEL);
if (ret_buf) {
write_lock(&GlobalSMBSeslock);
atomic_inc(&sesInfoAllocCount);
ret_buf->status = CifsNew;
list_add(&ret_buf->cifsSessionList, &GlobalSMBSessionList);
++ret_buf->ses_count;
INIT_LIST_HEAD(&ret_buf->smb_ses_list);
INIT_LIST_HEAD(&ret_buf->tcon_list);
init_MUTEX(&ret_buf->sesSem);
write_unlock(&GlobalSMBSeslock);
}
return ret_buf;
}
@@ -93,10 +93,7 @@ sesInfoFree(struct cifsSesInfo *buf_to_free)
return;
}
write_lock(&GlobalSMBSeslock);
atomic_dec(&sesInfoAllocCount);
list_del(&buf_to_free->cifsSessionList);
write_unlock(&GlobalSMBSeslock);
kfree(buf_to_free->serverOS);
kfree(buf_to_free->serverDomain);
kfree(buf_to_free->serverNOS);
@@ -111,17 +108,14 @@ tconInfoAlloc(void)
struct cifsTconInfo *ret_buf;
ret_buf = kzalloc(sizeof(struct cifsTconInfo), GFP_KERNEL);
if (ret_buf) {
write_lock(&GlobalSMBSeslock);
atomic_inc(&tconInfoAllocCount);
list_add(&ret_buf->cifsConnectionList,
&GlobalTreeConnectionList);
ret_buf->tidStatus = CifsNew;
++ret_buf->tc_count;
INIT_LIST_HEAD(&ret_buf->openFileList);
init_MUTEX(&ret_buf->tconSem);
INIT_LIST_HEAD(&ret_buf->tcon_list);
#ifdef CONFIG_CIFS_STATS
spin_lock_init(&ret_buf->stat_lock);
#endif
write_unlock(&GlobalSMBSeslock);
}
return ret_buf;
}
@@ -133,10 +127,7 @@ tconInfoFree(struct cifsTconInfo *buf_to_free)
cFYI(1, ("Null buffer passed to tconInfoFree"));
return;
}
write_lock(&GlobalSMBSeslock);
atomic_dec(&tconInfoAllocCount);
list_del(&buf_to_free->cifsConnectionList);
write_unlock(&GlobalSMBSeslock);
kfree(buf_to_free->nativeFileSystem);
kfree(buf_to_free);
}
@@ -350,9 +341,9 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ ,
if (current_fsuid() != treeCon->ses->linux_uid) {
cFYI(1, ("Multiuser mode and UID "
"did not match tcon uid"));
read_lock(&GlobalSMBSeslock);
list_for_each(temp_item, &GlobalSMBSessionList) {
ses = list_entry(temp_item, struct cifsSesInfo, cifsSessionList);
read_lock(&cifs_tcp_ses_lock);
list_for_each(temp_item, &treeCon->ses->server->smb_ses_list) {
ses = list_entry(temp_item, struct cifsSesInfo, smb_ses_list);
if (ses->linux_uid == current_fsuid()) {
if (ses->server == treeCon->ses->server) {
cFYI(1, ("found matching uid substitute right smb_uid"));
@@ -364,7 +355,7 @@ header_assemble(struct smb_hdr *buffer, char smb_command /* command */ ,
}
}
}
read_unlock(&GlobalSMBSeslock);
read_unlock(&cifs_tcp_ses_lock);
}
}
}
@@ -497,9 +488,10 @@ bool
is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
{
struct smb_com_lock_req *pSMB = (struct smb_com_lock_req *)buf;
struct list_head *tmp;
struct list_head *tmp1;
struct list_head *tmp, *tmp1, *tmp2;
struct cifsSesInfo *ses;
struct cifsTconInfo *tcon;
struct cifsInodeInfo *pCifsInode;
struct cifsFileInfo *netfile;
cFYI(1, ("Checking for oplock break or dnotify response"));
@@ -554,42 +546,42 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
return false;
/* look up tcon based on tid & uid */
read_lock(&GlobalSMBSeslock);
list_for_each(tmp, &GlobalTreeConnectionList) {
tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
if ((tcon->tid == buf->Tid) && (srv == tcon->ses->server)) {
read_lock(&cifs_tcp_ses_lock);
list_for_each(tmp, &srv->smb_ses_list) {
ses = list_entry(tmp, struct cifsSesInfo, smb_ses_list);
list_for_each(tmp1, &ses->tcon_list) {
tcon = list_entry(tmp1, struct cifsTconInfo, tcon_list);
if (tcon->tid != buf->Tid)
continue;
cifs_stats_inc(&tcon->num_oplock_brks);
list_for_each(tmp1, &tcon->openFileList) {
netfile = list_entry(tmp1, struct cifsFileInfo,
list_for_each(tmp2, &tcon->openFileList) {
netfile = list_entry(tmp2, struct cifsFileInfo,
tlist);
if (pSMB->Fid == netfile->netfid) {
struct cifsInodeInfo *pCifsInode;
read_unlock(&GlobalSMBSeslock);
cFYI(1,
("file id match, oplock break"));
pCifsInode =
CIFS_I(netfile->pInode);
pCifsInode->clientCanCacheAll = false;
if (pSMB->OplockLevel == 0)
pCifsInode->clientCanCacheRead
= false;
pCifsInode->oplockPending = true;
AllocOplockQEntry(netfile->pInode,
netfile->netfid,
tcon);
cFYI(1,
("about to wake up oplock thread"));
if (oplockThread)
wake_up_process(oplockThread);
return true;
}
if (pSMB->Fid != netfile->netfid)
continue;
read_unlock(&cifs_tcp_ses_lock);
cFYI(1, ("file id match, oplock break"));
pCifsInode = CIFS_I(netfile->pInode);
pCifsInode->clientCanCacheAll = false;
if (pSMB->OplockLevel == 0)
pCifsInode->clientCanCacheRead = false;
pCifsInode->oplockPending = true;
AllocOplockQEntry(netfile->pInode,
netfile->netfid, tcon);
cFYI(1, ("about to wake up oplock thread"));
if (oplockThread)
wake_up_process(oplockThread);
return true;
}
read_unlock(&GlobalSMBSeslock);
read_unlock(&cifs_tcp_ses_lock);
cFYI(1, ("No matching file for oplock break"));
return true;
}
}
read_unlock(&GlobalSMBSeslock);
read_unlock(&cifs_tcp_ses_lock);
cFYI(1, ("Can not process oplock break for non-existent connection"));
return true;
}