USB: io_ti: use kfifo to implement write buffering

[safe/jmp/linux-2.6] / fs / smbfs / file.c

diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index efbe29a..dbf6548 100644 (file)
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -13,7 +13,6 @@
 #include <linux/fcntl.h>
 #include <linux/stat.h>
 #include <linux/mm.h>
-#include <linux/slab.h>
 #include <linux/pagemap.h>
 #include <linux/smp_lock.h>
 #include <linux/net.h>
@@ -297,7 +296,7 @@ static int smb_write_begin(struct file *file, struct address_space *mapping,
                        struct page **pagep, void **fsdata)
 {
        pgoff_t index = pos >> PAGE_CACHE_SHIFT;
-       *pagep = __grab_cache_page(mapping, index);
+       *pagep = grab_cache_page_write_begin(mapping, index, flags);
        if (!*pagep)
                return -ENOMEM;
        return 0;
@@ -408,7 +407,7 @@ smb_file_release(struct inode *inode, struct file * file)
  * privileges, so we need our own check for this.
  */
 static int
-smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
+smb_file_permission(struct inode *inode, int mask)
 {
        int mode = inode->i_mode;
        int error = 0;
@@ -417,14 +416,23 @@ smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
 
        /* Look at user permissions */
        mode >>= 6;
-       if ((mode & 7 & mask) != mask)
+       if (mask & ~mode & (MAY_READ | MAY_WRITE | MAY_EXEC))
                error = -EACCES;
        return error;
 }
 
+static loff_t smb_remote_llseek(struct file *file, loff_t offset, int origin)
+{
+       loff_t ret;
+       lock_kernel();
+       ret = generic_file_llseek_unlocked(file, offset, origin);
+       unlock_kernel();
+       return ret;
+}
+
 const struct file_operations smb_file_operations =
 {
-       .llseek         = remote_llseek,
+       .llseek         = smb_remote_llseek,
        .read           = do_sync_read,
        .aio_read       = smb_file_aio_read,
        .write          = do_sync_write,