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etercifs
Commit d3b896e3 authored by Pavel Shilovsky's avatar Pavel Shilovsky
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Fix oplock handling for CentOS 5.2

parent e84f0e54
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Showing with 14 additions and 9 deletions
sources/centos52/cifsfs.c
View file @ d3b896e3
......@@ -1144,7 +1144,9 @@ static int cifs_oplock_thread(void *dummyarg)
rc = CIFSSMBLock(0, pTcon, netfid, netpid,
0 /* len */ , 0 /* offset */, 0,
0, LOCKING_ANDX_OPLOCK_RELEASE,
0 /* wait flag */);
0 /* wait flag */,
CIFS_I(inode)->clientCanCacheRead ?
1 : 0);
cFYI(1, ("Oplock release rc = %d", rc));
}
} else
......
sources/centos52/cifsproto.h
View file @ d3b896e3
......@@ -311,7 +311,7 @@ extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
const __u16 netfid, const __u32 netpid, const __u64 len,
const __u64 offset, const __u32 numUnlock,
const __u32 numLock, const __u8 lockType,
const int waitFlag);
const int waitFlag, const __u8 oplock_level);
extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon,
const __u16 smb_file_id, const __u32 netpid, const int get_flag,
const __u64 len, struct file_lock *,
......
sources/centos52/cifssmb.c
View file @ d3b896e3
......@@ -1710,7 +1710,8 @@ int
CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
const __u16 smb_file_id, const __u32 net_pid, const __u64 len,
const __u64 offset, const __u32 numUnlock,
const __u32 numLock, const __u8 lockType, const int waitFlag)
const __u32 numLock, const __u8 lockType, const int waitFlag,
const __u8 oplock_level)
{
int rc = 0;
LOCK_REQ *pSMB = NULL;
......@@ -1740,6 +1741,7 @@ CIFSSMBLock(const int xid, struct cifsTconInfo *tcon,
pSMB->NumberOfLocks = cpu_to_le16(numLock);
pSMB->NumberOfUnlocks = cpu_to_le16(numUnlock);
pSMB->LockType = lockType;
pSMB->OplockLevel = oplock_level;
pSMB->AndXCommand = 0xFF; /* none */
pSMB->Fid = smb_file_id; /* netfid stays le */
......
sources/centos52/file.c
View file @ d3b896e3
......@@ -849,12 +849,12 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
/* BB we could chain these into one lock request BB */
rc = CIFSSMBLock(xid, pTcon, netfid, netpid, length, pfLock->fl_start,
0, 1, lockType, 0 /* wait flag */ );
0, 1, lockType, 0 /* wait flag */, 0);
if (rc == 0) {
rc = CIFSSMBLock(xid, pTcon, netfid, netpid, length,
pfLock->fl_start, 1 /* numUnlock */ ,
0 /* numLock */ , lockType,
0 /* wait flag */ );
0 /* wait flag */, 0);
pfLock->fl_type = F_UNLCK;
if (rc != 0)
cERROR(1, ("Error unlocking previously locked "
......@@ -871,13 +871,13 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
rc = CIFSSMBLock(xid, pTcon, netfid, netpid, length,
pfLock->fl_start, 0, 1,
lockType | LOCKING_ANDX_SHARED_LOCK,
0 /* wait flag */ );
0 /* wait flag */, 0);
if (rc == 0) {
rc = CIFSSMBLock(xid, pTcon, netfid, netpid,
length, pfLock->fl_start, 1, 0,
lockType |
LOCKING_ANDX_SHARED_LOCK,
0 /* wait flag */ );
0 /* wait flag */, 0);
pfLock->fl_type = F_RDLCK;
if (rc != 0)
cERROR(1, ("Error unlocking "
......@@ -920,7 +920,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
if (numLock) {
rc = CIFSSMBLock(xid, pTcon, netfid, netpid, length,
pfLock->fl_start,
0, numLock, lockType, wait_flag);
0, numLock, lockType, wait_flag, 0);
if (rc == 0) {
/* For Windows locks we must store them. */
......@@ -942,7 +942,8 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
stored_rc = CIFSSMBLock(xid, pTcon,
netfid, netpid,
li->length, li->offset,
1, 0, li->type, FALSE);
1, 0, li->type, FALSE,
0);
if (stored_rc)
rc = stored_rc;
else {
......
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