I wanted to test cifs on a "2.6.40" (Fedora) system and due to video
driver issues couldn't use current mainline so ... here is a patch to
build current cifs on older (2.6.40 or 3.0) kernels.
diff -u /home/stevef/kernel-cifs.git/fs/cifs/cifsfs.c ./cifsfs.c
--- /home/stevef/kernel-cifs.git/fs/cifs/cifsfs.c 2011-10-12
23:42:05.196815382 -0500
+++ ./cifsfs.c 2011-10-13 17:52:30.744806928 -0500
@@ -210,7 +210,7 @@
return 0;
}
-static int cifs_permission(struct inode *inode, int mask)
+static int cifs_permission(struct inode *inode, int mask, unsigned int flags)
{
struct cifs_sb_info *cifs_sb;
@@ -225,7 +225,7 @@
on the client (above and beyond ACL on servers) for
servers which do not support setting and viewing mode bits,
so allowing client to check permissions is useful */
- return generic_permission(inode, mask);
+ return generic_permission(inode, mask, flags, NULL);
}
static struct kmem_cache *cifs_inode_cachep;
diff -u /home/stevef/kernel-cifs.git/fs/cifs/cifsfs.h ./cifsfs.h
--- /home/stevef/kernel-cifs.git/fs/cifs/cifsfs.h 2011-10-12
23:41:27.634817012 -0500
+++ ./cifsfs.h 2011-10-13 17:44:45.784798721 -0500
@@ -87,8 +87,8 @@
extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t pos);
extern int cifs_lock(struct file *, int, struct file_lock *);
-extern int cifs_fsync(struct file *, loff_t, loff_t, int);
-extern int cifs_strict_fsync(struct file *, loff_t, loff_t, int);
+extern int cifs_fsync(struct file *, int);
+extern int cifs_strict_fsync(struct file *, int);
extern int cifs_flush(struct file *, fl_owner_t id);
extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
extern int cifs_file_strict_mmap(struct file * , struct vm_area_struct *);
diff -u /home/stevef/kernel-cifs.git/fs/cifs/file.c ./file.c
--- /home/stevef/kernel-cifs.git/fs/cifs/file.c 2011-10-13
17:16:08.726768410 -0500
+++ ./file.c 2011-10-13 17:54:56.180809494 -0500
@@ -1442,7 +1411,7 @@
return rc;
}
-int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
+int cifs_strict_fsync(struct file *file,
int datasync)
{
int xid;
@@ -1452,7 +1421,7 @@
struct inode *inode = file->f_path.dentry->d_inode;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
- rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ rc = filemap_write_and_wait(inode->i_mapping);
if (rc)
return rc;
mutex_lock(&inode->i_mutex);
@@ -1479,7 +1448,7 @@
return rc;
}
-int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
+int cifs_fsync(struct file *file, int datasync)
{
int xid;
int rc = 0;
@@ -1488,7 +1457,7 @@
struct cifs_sb_info *cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
struct inode *inode = file->f_mapping->host;
- rc = filemap_write_and_wait_range(inode->i_mapping, start, end);
+ rc = filemap_write_and_wait(inode->i_mapping);
if (rc)
return rc;
mutex_lock(&inode->i_mutex);
--
Thanks,
Steve
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