[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>

1 files changed, 43 insertions, 63 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 6020add15156..e7cd392a796a 100644
--- 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;