[CIFS] factoring out common code in get_inode_info functions

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 6020add15156bd98f0a5c8b6290ea72bb5dff172..e7cd392a796a9ba06f081659772dde592e2c13b0 100644 (file)
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -29,6 +29,46 @@
 #include "cifs_debug.h"
 #include "cifs_fs_sb.h"
 
+
+static void cifs_set_ops(struct inode *inode)
+{
+       struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+
+       switch (inode->i_mode & S_IFMT) {
+       case S_IFREG:
+               inode->i_op = &cifs_file_inode_ops;
+               if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
+                       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+                               inode->i_fop = &cifs_file_direct_nobrl_ops;
+                       else
+                               inode->i_fop = &cifs_file_direct_ops;
+               } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
+                       inode->i_fop = &cifs_file_nobrl_ops;
+               else { /* not direct, send byte range locks */
+                       inode->i_fop = &cifs_file_ops;
+               }
+
+
+               /* check if server can support readpages */
+               if (cifs_sb->tcon->ses->server->maxBuf <
+                               PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
+                       inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
+               else
+                       inode->i_data.a_ops = &cifs_addr_ops;
+               break;
+       case S_IFDIR:
+               inode->i_op = &cifs_dir_inode_ops;
+               inode->i_fop = &cifs_dir_ops;
+               break;
+       case S_IFLNK:
+               inode->i_op = &cifs_symlink_inode_ops;
+               break;
+       default:
+               init_special_inode(inode, inode->i_mode, inode->i_rdev);
+               break;
+       }
+}
+
 int cifs_get_inode_info_unix(struct inode **pinode,
        const unsigned char *search_path, struct super_block *sb, int xid)
 {
@@ -178,39 +218,8 @@ int cifs_get_inode_info_unix(struct inode **pinode,
                cFYI(1, ("Size %ld and blocks %llu",
                        (unsigned long) inode->i_size,
                        (unsigned long long)inode->i_blocks));
-               if (S_ISREG(inode->i_mode)) {
-                       cFYI(1, ("File inode"));
-                       inode->i_op = &cifs_file_inode_ops;
-                       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
-                               if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
-                                       inode->i_fop =
-                                               &cifs_file_direct_nobrl_ops;
-                               else
-                                       inode->i_fop = &cifs_file_direct_ops;
-                       } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
-                               inode->i_fop = &cifs_file_nobrl_ops;
-                       else /* not direct, send byte range locks */
-                               inode->i_fop = &cifs_file_ops;
-
-                       /* check if server can support readpages */
-                       if (pTcon->ses->server->maxBuf <
-                           PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
-                               inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
-                       else
-                               inode->i_data.a_ops = &cifs_addr_ops;
-               } else if (S_ISDIR(inode->i_mode)) {
-                       cFYI(1, ("Directory inode"));
-                       inode->i_op = &cifs_dir_inode_ops;
-                       inode->i_fop = &cifs_dir_ops;
-               } else if (S_ISLNK(inode->i_mode)) {
-                       cFYI(1, ("Symbolic Link inode"));
-                       inode->i_op = &cifs_symlink_inode_ops;
-               /* tmp_inode->i_fop = */ /* do not need to set to anything */
-               } else {
-                       cFYI(1, ("Init special inode"));
-                       init_special_inode(inode, inode->i_mode,
-                                          inode->i_rdev);
-               }
+
+               cifs_set_ops(inode);
        }
        return rc;
 }
@@ -546,36 +555,7 @@ int cifs_get_inode_info(struct inode **pinode,
                        atomic_set(&cifsInfo->inUse, 1);
                }
 
-               if (S_ISREG(inode->i_mode)) {
-                       cFYI(1, ("File inode"));
-                       inode->i_op = &cifs_file_inode_ops;
-                       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO) {
-                               if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
-                                       inode->i_fop =
-                                               &cifs_file_direct_nobrl_ops;
-                               else
-                                       inode->i_fop = &cifs_file_direct_ops;
-                       } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_BRL)
-                               inode->i_fop = &cifs_file_nobrl_ops;
-                       else /* not direct, send byte range locks */
-                               inode->i_fop = &cifs_file_ops;
-
-                       if (pTcon->ses->server->maxBuf <
-                            PAGE_CACHE_SIZE + MAX_CIFS_HDR_SIZE)
-                               inode->i_data.a_ops = &cifs_addr_ops_smallbuf;
-                       else
-                               inode->i_data.a_ops = &cifs_addr_ops;
-               } else if (S_ISDIR(inode->i_mode)) {
-                       cFYI(1, ("Directory inode"));
-                       inode->i_op = &cifs_dir_inode_ops;
-                       inode->i_fop = &cifs_dir_ops;
-               } else if (S_ISLNK(inode->i_mode)) {
-                       cFYI(1, ("Symbolic Link inode"));
-                       inode->i_op = &cifs_symlink_inode_ops;
-               } else {
-                       init_special_inode(inode, inode->i_mode,
-                                          inode->i_rdev);
-               }
+               cifs_set_ops(inode);
        }
        kfree(buf);
        return rc;