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Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6

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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  CIFS: Cleanup demupltiplex thread exiting code
  CIFS: Move mid search to a separate function
  CIFS: Move RFC1002 check to a separate function
  CIFS: Simplify socket reading in demultiplex thread
  CIFS: Move buffer allocation to a separate function
  cifs: remove unneeded variable initialization in cifs_reconnect_tcon
  cifs: simplify refcounting for oplock breaks
  cifs: fix compiler warning in CIFSSMBQAllEAs
  cifs: fix name parsing in CIFSSMBQAllEAs
  cifs: don't start signing too early
  cifs: trivial: goto out here is unnecessary
  cifs: advertise the right receive buffer size to the server
This commit is contained in:
Linus Torvalds
2011-08-01 06:14:25 -10:00
parent 4a2d732f5d 762dfd1057
commit 5f66d2b58c
9 changed files with 394 additions and 400 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/cifs/cifsencrypt.c
+14 -2
View File
@@ -87,9 +87,15 @@ int cifs_sign_smb(struct smb_hdr *cifs_pdu, struct TCP_Server_Info *server,
if ((cifs_pdu == NULL) || (server == NULL))
return -EINVAL;
if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||
server->tcpStatus == CifsNeedNegotiate)
return rc;
if (!server->session_estab) {
strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
return rc;
}
cifs_pdu->Signature.Sequence.SequenceNumber =
cpu_to_le32(server->sequence_number);
cifs_pdu->Signature.Sequence.Reserved = 0;
@@ -178,9 +184,15 @@ int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *server,
if ((cifs_pdu == NULL) || (server == NULL))
return -EINVAL;
if ((cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) == 0)
if (!(cifs_pdu->Flags2 & SMBFLG2_SECURITY_SIGNATURE) ||
server->tcpStatus == CifsNeedNegotiate)
return rc;
if (!server->session_estab) {
strncpy(cifs_pdu->Signature.SecuritySignature, "BSRSPYL", 8);
return rc;
}
cifs_pdu->Signature.Sequence.SequenceNumber =
cpu_to_le32(server->sequence_number);
cifs_pdu->Signature.Sequence.Reserved = 0;
fs/cifs/cifsfs.c
-18
View File
@@ -86,24 +86,6 @@ extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
void
cifs_sb_active(struct super_block *sb)
{
struct cifs_sb_info *server = CIFS_SB(sb);
if (atomic_inc_return(&server->active) == 1)
atomic_inc(&sb->s_active);
}
void
cifs_sb_deactive(struct super_block *sb)
{
struct cifs_sb_info *server = CIFS_SB(sb);
if (atomic_dec_and_test(&server->active))
deactivate_super(sb);
}
static int
cifs_read_super(struct super_block *sb)
{
fs/cifs/cifsfs.h
-4
View File
@@ -41,10 +41,6 @@ extern struct file_system_type cifs_fs_type;
extern const struct address_space_operations cifs_addr_ops;
extern const struct address_space_operations cifs_addr_ops_smallbuf;
/* Functions related to super block operations */
extern void cifs_sb_active(struct super_block *sb);
extern void cifs_sb_deactive(struct super_block *sb);
/* Functions related to inodes */
extern const struct inode_operations cifs_dir_inode_ops;
extern struct inode *cifs_root_iget(struct super_block *);
fs/cifs/cifsglob.h
-2
View File
@@ -942,8 +942,6 @@ GLOBAL_EXTERN spinlock_t siduidlock;
GLOBAL_EXTERN spinlock_t sidgidlock;
void cifs_oplock_break(struct work_struct *work);
void cifs_oplock_break_get(struct cifsFileInfo *cfile);
void cifs_oplock_break_put(struct cifsFileInfo *cfile);
extern const struct slow_work_ops cifs_oplock_break_ops;
fs/cifs/cifssmb.c
+4 -2
View File
@@ -107,7 +107,7 @@ static void mark_open_files_invalid(struct cifs_tcon *pTcon)
static int
cifs_reconnect_tcon(struct cifs_tcon *tcon, int smb_command)
{
int rc = 0;
int rc;
struct cifs_ses *ses;
struct TCP_Server_Info *server;
struct nls_table *nls_codepage;
@@ -5720,6 +5720,7 @@ CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon,
char *temp_ptr;
char *end_of_smb;
__u16 params, byte_count, data_offset;
unsigned int ea_name_len = ea_name ? strlen(ea_name) : 0;
cFYI(1, "In Query All EAs path %s", searchName);
QAllEAsRetry:
@@ -5837,7 +5838,8 @@ QAllEAsRetry:
}
if (ea_name) {
if (strncmp(ea_name, temp_ptr, name_len) == 0) {
if (ea_name_len == name_len &&
strncmp(ea_name, temp_ptr, name_len) == 0) {
temp_ptr += name_len + 1;
rc = value_len;
if (buf_size == 0)
fs/cifs/connect.c
+370 -337
View File
File diff suppressed because it is too large Load Diff
fs/cifs/file.c
+2 -25
View File
@@ -314,6 +314,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
}
spin_unlock(&cifs_file_list_lock);
cancel_work_sync(&cifs_file->oplock_break);
if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
int xid, rc;
@@ -2418,31 +2420,6 @@ void cifs_oplock_break(struct work_struct *work)
cinode->clientCanCacheRead ? 1 : 0);
cFYI(1, "Oplock release rc = %d", rc);
}
/*
* We might have kicked in before is_valid_oplock_break()
* finished grabbing reference for us. Make sure it's done by
* waiting for cifs_file_list_lock.
*/
spin_lock(&cifs_file_list_lock);
spin_unlock(&cifs_file_list_lock);
cifs_oplock_break_put(cfile);
}
/* must be called while holding cifs_file_list_lock */
void cifs_oplock_break_get(struct cifsFileInfo *cfile)
{
cifs_sb_active(cfile->dentry->d_sb);
cifsFileInfo_get(cfile);
}
void cifs_oplock_break_put(struct cifsFileInfo *cfile)
{
struct super_block *sb = cfile->dentry->d_sb;
cifsFileInfo_put(cfile);
cifs_sb_deactive(sb);
}
const struct address_space_operations cifs_addr_ops = {
fs/cifs/misc.c
+2 -9
View File
@@ -585,15 +585,8 @@ is_valid_oplock_break(struct smb_hdr *buf, struct TCP_Server_Info *srv)
cifs_set_oplock_level(pCifsInode,
pSMB->OplockLevel ? OPLOCK_READ : 0);
/*
* cifs_oplock_break_put() can't be called
* from here. Get reference after queueing
* succeeded. cifs_oplock_break() will
* synchronize using cifs_file_list_lock.
*/
if (queue_work(system_nrt_wq,
&netfile->oplock_break))
cifs_oplock_break_get(netfile);
queue_work(system_nrt_wq,
&netfile->oplock_break);
netfile->oplock_break_cancelled = false;
spin_unlock(&cifs_file_list_lock);
fs/cifs/sess.c
+2 -1
View File
@@ -124,7 +124,8 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB)
/* that we use in next few lines */
/* Note that header is initialized to zero in header_assemble */
pSMB->req.AndXCommand = 0xFF;
pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
pSMB->req.MaxBufferSize = cpu_to_le16(min_t(u32, CIFSMaxBufSize - 4,
USHRT_MAX));
pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
pSMB->req.VcNumber = get_next_vcnum(ses);