lkml.org 
[lkml]   [1997]   [Aug]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: New pre-2.0.31 patches..
> 
> o some isofs fixes


This one is apended to this message.


Werner

-----------------------------------------------------------------------
diff -urN linux-2.0.31-linus/fs/isofs/inode.c linux/fs/isofs/inode.c
--- linux-2.0.31-linus/fs/isofs/inode.c Sat Aug 17 20:19:28 1996
+++ linux/fs/isofs/inode.c Tue Aug 5 23:06:56 1997
@@ -476,6 +476,34 @@
printk("_isofs_bmap: block<0");
return 0;
}
+
+ /*
+ * If we are beyond the end of this file, don't give out any
+ * blocks.
+ */
+ if( (block << ISOFS_BUFFER_BITS(inode)) > inode->i_size )
+ {
+ off_t max_legal_read_offset;
+
+ /*
+ * If we are *way* beyond the end of the file, print a message.
+ * Access beyond the end of the file up to the next page boundary
+ * is normal because of the way the page cache works.
+ * In this case, we just return 0 so that we can properly fill
+ * the page with useless information without generating any
+ * I/O errors.
+ */
+ max_legal_read_offset = (inode->i_size + PAGE_SIZE - 1)
+ & ~(PAGE_SIZE - 1);
+ if( (block << ISOFS_BUFFER_BITS(inode)) >= max_legal_read_offset )
+ {
+
+ printk("_isofs_bmap: block>= EOF(%d, %d)", block,
+ inode->i_size);
+ }
+ return 0;
+ }
+
return (inode->u.isofs_i.i_first_extent >> ISOFS_BUFFER_BITS(inode)) + block;
}

diff -urN linux-2.0.31-linus/fs/isofs/namei.c linux/fs/isofs/namei.c
--- linux-2.0.31-linus/fs/isofs/namei.c Sat Nov 30 11:21:20 1996
+++ linux/fs/isofs/namei.c Tue Aug 5 23:06:56 1997
@@ -242,9 +242,12 @@
if (!ino) {
char *lcname;

- /* If mounted with check=relaxed (and most likely norock),
- then first convert this name to lower case. */
- if (dir->i_sb->u.isofs_sb.s_name_check == 'r'
+ /* First try the original name. If that doesn't work and the fs
+ * was mounted with check=relaxed, convert the name to lower
+ * case and try again.
+ */
+ if (!(bh = isofs_find_entry(dir,name,len, &ino, &ino_back))
+ && dir->i_sb->u.isofs_sb.s_name_check == 'r'
&& (lcname = kmalloc(len, GFP_KERNEL)) != NULL) {
int i;
char c;
@@ -256,8 +259,7 @@
}
bh = isofs_find_entry(dir,lcname,len, &ino, &ino_back);
kfree(lcname);
- } else
- bh = isofs_find_entry(dir,name,len, &ino, &ino_back);
+ }

if (!bh) {
iput(dir);
\
 
 \ /
  Last update: 2005-03-22 13:40    [W:0.104 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site