r12735: After talking to Tridge and Jeremy... This needs to be made more generic

before it goes in.

Volker
(This used to be commit 2c3d5c029a31111e1fe84ddc13c1bfc183d8bfde)

4 files changed, 6 insertions, 191 deletions

diff --git a/source3/smbd/gpfs.c b/source3/smbd/gpfs.c
deleted file mode 100644
index 4a8b9eea6c..0000000000
--- a/source3/smbd/gpfs.c
+++ /dev/null
@@ -1,159 +0,0 @@
-/* 
- *  Unix SMB/CIFS implementation.
- *  Provide a connection to GPFS specific features
- *  Copyright (C) Volker Lendecke 2005
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *  
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *  
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "includes.h"
-
-#ifdef HAVE_GPFS_SET_SHARE
-
-#include "gpfs.h"
-
-static void *libgpfs_handle = NULL;
-
-static int (*gpfs_set_share_fn)(int fd, unsigned int allow, unsigned int deny);
-static int (*gpfs_set_lease_fn)(int fd, unsigned int leaseType);
-
-BOOL set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
-			uint32 share_access)
-{
-	unsigned int allow = GPFS_SHARE_NONE;
-	unsigned int deny = GPFS_DENY_NONE;
-	int result;
-
-	if (gpfs_set_share_fn == NULL) {
-		return False;
-	}
-
-	if ((fsp == NULL) || (fsp->fh == NULL) || (fsp->fh->fd < 0)) {
-		/* No real file, don't disturb */
-		return True;
-	}
-
-	allow |= (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA|
-				 DELETE_ACCESS)) ? GPFS_SHARE_WRITE : 0;
-	allow |= (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) ?
-		GPFS_SHARE_READ : 0;
-	deny |= (share_access & (FILE_SHARE_WRITE|FILE_SHARE_DELETE)) ?
-		0 : GPFS_DENY_WRITE;
-	deny |= (share_access & (FILE_SHARE_READ)) ?
-		0 : GPFS_DENY_READ;
-
-	DEBUG(10, ("am=%x, allow=%d, sa=%x, deny=%d\n",
-		   access_mask, allow, share_access, deny));
-
-	result = gpfs_set_share_fn(fsp->fh->fd, allow, deny);
-	if (result != 0) {
-		if (errno == ENOSYS) {
-			DEBUG(5, ("'gpfs share = yes' set, but no gpfs "
-				  "available. Allowing access\n"));
-			return True;
-		} else {
-			DEBUG(10, ("gpfs_set_share failed: %s\n",
-				   strerror(errno)));
-		}
-	}
-
-	return (result == 0);
-}
-
-int set_gpfs_lease(int fd, int leasetype)
-{
-	int gpfs_type = GPFS_LEASE_NONE;
-
-	if (gpfs_set_lease_fn == NULL) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	if (leasetype == F_RDLCK) {
-		gpfs_type = GPFS_LEASE_READ;
-	}
-	if (leasetype == F_WRLCK) {
-		gpfs_type = GPFS_LEASE_WRITE;
-	}
-	return gpfs_set_lease_fn(fd, gpfs_type);
-}
-
-void init_gpfs(void)
-{
-	if (libgpfs_handle != NULL) {
-		return;
-	}
-
-	libgpfs_handle = sys_dlopen("libgpfs.so", RTLD_LAZY);
-
-	if (libgpfs_handle == NULL) {
-		DEBUG(10, ("sys_dlopen for libgpfs.so failed: %s\n",
-			   strerror(errno)));
-		return;
-	}
-
-	DEBUG(10, ("libgpfs.so loaded\n"));
-
-	gpfs_set_share_fn = sys_dlsym(libgpfs_handle, "gpfs_set_share");
-	if (gpfs_set_share_fn == NULL) {
-		DEBUG(3, ("libgpfs.so does not contain the symbol "
-			  "'gpfs_set_share'\n"));
-		sys_dlclose(libgpfs_handle);
-
-		/* leave libgpfs_handle != NULL around, no point
-		   in trying twice */
-		gpfs_set_lease_fn = NULL;
-		return;
-	}
-
-	gpfs_set_lease_fn = sys_dlsym(libgpfs_handle, "gpfs_set_lease");
-	if (gpfs_set_lease_fn == NULL) {
-		DEBUG(3, ("libgpfs.so does not contain the symbol "
-			  "'gpfs_set_lease'\n"));
-		sys_dlclose(libgpfs_handle);
-
-		/* leave libgpfs_handle != NULL around, no point
-		   in trying twice */
-		gpfs_set_share_fn = NULL;
-		return;
-	}
-}
-
-#else
-
-int set_gpfs_lease(int snum, int leasetype)
-{
-	DEBUG(0, ("'gpfs share = yes' set without gpfs support compiled\n"));
-
-	/* We need to indicate that no GPFS is around by returning ENOSYS, so
-	 * that the normal linux kernel oplock code is called. */
-	errno = ENOSYS;
-	return -1;
-}
-
-BOOL set_gpfs_sharemode(files_struct *fsp, uint32 access_mask,
-			uint32 share_access)
-{
-	DEBUG(0, ("'gpfs share = yes' set without gpfs support compiled\n"));
-	/* Don't disturb but complain */
-	return True;
-}
-
-void init_gpfs(void)
-{
-	return;
-}
-
-#endif
diff --git a/source3/smbd/open.c b/source3/smbd/open.c
index 2f82f04b63..e6c749fab9 100644
--- a/source3/smbd/open.c
+++ b/source3/smbd/open.c
@@ -1599,20 +1599,6 @@ files_struct *open_file_ntcreate(connection_struct *conn,
 	 * deny mode is compatible with all current opens.
 	 */
 
-	if (lp_gpfs_share(SNUM(fsp->conn)) &&
-	    !set_gpfs_sharemode(fsp, access_mask, share_access)) {
-
-		/* GPFS does have share mode support, so the comment above wrt
-		 * NFS being wrong is not correct here. */
-
-		set_saved_error_triple(ERRDOS, ERRbadshare,
-				       NT_STATUS_SHARING_VIOLATION);
-		talloc_free(lck);
-		fd_close(conn, fsp);
-		file_free(fsp);
-		return NULL;
-	}
-
 	/*
 	 * If requested, truncate the file.
 	 */
diff --git a/source3/smbd/oplock_linux.c b/source3/smbd/oplock_linux.c
index 0285bfce97..ab0c08f7fc 100644
--- a/source3/smbd/oplock_linux.c
+++ b/source3/smbd/oplock_linux.c
@@ -101,11 +101,11 @@ static void set_capability(unsigned capability)
 }
 
 /****************************************************************************
- Call SETLEASE. If we get EACCES then we try setting up the right capability
- and try again
+ Call SETLEASE. If we get EACCES then we try setting up the right capability and
+ try again
 ****************************************************************************/
 
-static int linux_setlease(int snum, int fd, int leasetype)
+static int linux_setlease(int fd, int leasetype)
 {
 	int ret;
 
@@ -114,17 +114,7 @@ static int linux_setlease(int snum, int fd, int leasetype)
 		return -1;
 	}
 
-	if (lp_gpfs_share(snum)) {
-		ret = set_gpfs_lease(fd, leasetype);
-	} else {
-		ret = fcntl(fd, F_SETLEASE, leasetype);
-	}
-
-	if ((ret < 0) && (errno == ENOSYS)) {
-		/* This must have come from GPFS not being available */
-		ret = fcntl(fd, F_SETLEASE, leasetype);
-	}
-
+	ret = fcntl(fd, F_SETLEASE, leasetype);
 	if (ret == -1 && errno == EACCES) {
 		set_capability(CAP_LEASE);
 		ret = fcntl(fd, F_SETLEASE, leasetype);
@@ -164,7 +154,7 @@ static files_struct *linux_oplock_receive_message(fd_set *fds)
 
 static BOOL linux_set_kernel_oplock(files_struct *fsp, int oplock_type)
 {
-	if (linux_setlease(SNUM(fsp->conn), fsp->fh->fd, F_WRLCK) == -1) {
+	if (linux_setlease(fsp->fh->fd, F_WRLCK) == -1) {
 		DEBUG(3,("linux_set_kernel_oplock: Refused oplock on file %s, fd = %d, dev = %x, \
 inode = %.0f. (%s)\n",
 			 fsp->fsp_name, fsp->fh->fd, 
@@ -198,7 +188,7 @@ oplock state of %x.\n", fsp->fsp_name, (unsigned int)fsp->dev,
 	/*
 	 * Remove the kernel oplock on this file.
 	 */
-	if (linux_setlease(SNUM(fsp->conn), fsp->fh->fd, F_UNLCK) == -1) {
+	if (linux_setlease(fsp->fh->fd, F_UNLCK) == -1) {
 		if (DEBUGLVL(0)) {
 			dbgtext("linux_release_kernel_oplock: Error when removing kernel oplock on file " );
 			dbgtext("%s, dev = %x, inode = %.0f, file_id = %lu. Error was %s\n",
diff --git a/source3/smbd/server.c b/source3/smbd/server.c
index 56c9c72127..ff894e2460 100644
--- a/source3/smbd/server.c
+++ b/source3/smbd/server.c
@@ -899,8 +899,6 @@ void build_options(BOOL screen);
 	if (!print_backend_init())
 		exit(1);
 
-	init_gpfs();
-
 	/* Setup the main smbd so that we can get messages. */
 	/* don't worry about general printing messages here */