qnx4fs: small cleanup

Small qnx4 cleanup patch.
- removes .writepage, .write_begin and .write_end (+callback functions)
- removes '.' path checking in namei.c (handled on upper layers)

Signed-off-by: Kai Bankett <chaosman@ontika.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index db18d86..14a0ba0 100644 (file)
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -286,44 +286,17 @@ static void qnx4_put_super(struct super_block *sb)
        return;
 }
 
-static int qnx4_writepage(struct page *page, struct writeback_control *wbc)
-{
-       return block_write_full_page(page,qnx4_get_block, wbc);
-}
-
 static int qnx4_readpage(struct file *file, struct page *page)
 {
        return block_read_full_page(page,qnx4_get_block);
 }
 
-static int qnx4_write_begin(struct file *file, struct address_space *mapping,
-                       loff_t pos, unsigned len, unsigned flags,
-                       struct page **pagep, void **fsdata)
-{
-       struct qnx4_inode_info *qnx4_inode = qnx4_i(mapping->host);
-       int ret;
-
-       *pagep = NULL;
-       ret = cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-                               qnx4_get_block,
-                               &qnx4_inode->mmu_private);
-       if (unlikely(ret)) {
-               loff_t isize = mapping->host->i_size;
-               if (pos + len > isize)
-                       vmtruncate(mapping->host, isize);
-       }
-
-       return ret;
-}
 static sector_t qnx4_bmap(struct address_space *mapping, sector_t block)
 {
        return generic_block_bmap(mapping,block,qnx4_get_block);
 }
 static const struct address_space_operations qnx4_aops = {
        .readpage       = qnx4_readpage,
-       .writepage      = qnx4_writepage,
-       .write_begin    = qnx4_write_begin,
-       .write_end      = generic_write_end,
        .bmap           = qnx4_bmap
 };
 

diff --git a/fs/qnx4/namei.c b/fs/qnx4/namei.c
index 275327b..e8eb878 100644 (file)
--- a/fs/qnx4/namei.c
+++ b/fs/qnx4/namei.c
@@ -39,10 +39,6 @@ static int qnx4_match(int len, const char *name,
        } else {
                namelen = QNX4_SHORT_NAME_MAX;
        }
-       /* "" means "." ---> so paths like "/usr/lib//libc.a" work */
-       if (!len && (de->di_fname[0] == '.') && (de->di_fname[1] == '\0')) {
-               return 1;
-       }
        thislen = strlen( de->di_fname );
        if ( thislen > namelen )
                thislen = namelen;