[PATCH] mark address_space_operations const

[deliverable/linux.git] / fs / udf / inode.c

diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index 395e582ee5425cab1ad65177d5f8c02bedc9e932..605f5111b6d86a100430897877f170c2b59248e7 100644 (file)
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -132,7 +132,7 @@ static sector_t udf_bmap(struct address_space *mapping, sector_t block)
        return generic_block_bmap(mapping,block,udf_get_block);
 }
 
-struct address_space_operations udf_aops = {
+const struct address_space_operations udf_aops = {
        .readpage               = udf_readpage,
        .writepage              = udf_writepage,
        .sync_page              = block_sync_page,
@@ -312,12 +312,10 @@ static int udf_get_block(struct inode *inode, sector_t block, struct buffer_head
        err = 0;
 
        bh = inode_getblk(inode, block, &err, &phys, &new);
-       if (bh)
-               BUG();
+       BUG_ON(bh);
        if (err)
                goto abort;
-       if (!phys)
-               BUG();
+       BUG_ON(!phys);
 
        if (new)
                set_buffer_new(bh_result);
@@ -1045,10 +1043,14 @@ static void udf_fill_inode(struct inode *inode, struct buffer_head *bh)
        }
 
        inode->i_uid = le32_to_cpu(fe->uid);
-       if ( inode->i_uid == -1 ) inode->i_uid = UDF_SB(inode->i_sb)->s_uid;
+       if (inode->i_uid == -1 || UDF_QUERY_FLAG(inode->i_sb,
+                                       UDF_FLAG_UID_IGNORE))
+               inode->i_uid = UDF_SB(inode->i_sb)->s_uid;
 
        inode->i_gid = le32_to_cpu(fe->gid);
-       if ( inode->i_gid == -1 ) inode->i_gid = UDF_SB(inode->i_sb)->s_gid;
+       if (inode->i_gid == -1 || UDF_QUERY_FLAG(inode->i_sb,
+                                       UDF_FLAG_GID_IGNORE))
+               inode->i_gid = UDF_SB(inode->i_sb)->s_gid;
 
        inode->i_nlink = le16_to_cpu(fe->fileLinkCount);
        if (!inode->i_nlink)
@@ -1335,11 +1337,13 @@ udf_update_inode(struct inode *inode, int do_sync)
                return err;
        }
 
-       if (inode->i_uid != UDF_SB(inode->i_sb)->s_uid)
-               fe->uid = cpu_to_le32(inode->i_uid);
+       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
+               fe->uid = cpu_to_le32(-1);
+       else fe->uid = cpu_to_le32(inode->i_uid);
 
-       if (inode->i_gid != UDF_SB(inode->i_sb)->s_gid)
-               fe->gid = cpu_to_le32(inode->i_gid);
+       if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_GID_FORGET))
+               fe->gid = cpu_to_le32(-1);
+       else fe->gid = cpu_to_le32(inode->i_gid);
 
        udfperms =      ((inode->i_mode & S_IRWXO)     ) |
                        ((inode->i_mode & S_IRWXG) << 2) |