VFS: Rename do_fallocate() to vfs_fallocate()

This function needs to be exported so it can be used by the NFSD module
when responding to the new ALLOCATE and DEALLOCATE operations in NFS
v4.2.  Christoph Hellwig suggested renaming the function to stay
consistent with how other vfs functions are named.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/open.c b/fs/open.c
index d6fd3acde134..c94449b2e582 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -222,7 +222,7 @@ SYSCALL_DEFINE2(ftruncate64, unsigned int, fd, loff_t, length)
 #endif /* BITS_PER_LONG == 32 */
 
 
-int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
+int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 {
         struct inode *inode = file_inode(file);
         long ret;
@@ -298,6 +298,7 @@ int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
         sb_end_write(inode->i_sb);
         return ret;
 }
+EXPORT_SYMBOL_GPL(vfs_fallocate);
 
 SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
 {
@@ -305,7 +306,7 @@ SYSCALL_DEFINE4(fallocate, int, fd, int, mode, loff_t, offset, loff_t, len)
         int error = -EBADF;
 
         if (f.file) {
-                error = do_fallocate(f.file, mode, offset, len);
+                error = vfs_fallocate(f.file, mode, offset, len);
                 fdput(f);
         }
         return error;