/usr/src/kernel-patches/lustre/patches/iopen-misc-2.6-fc3.patch is in linux-patch-lustre 1.8.5+dfsg-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 | Index: linux-2.6.11/Documentation/filesystems/ext2.txt
===================================================================
--- linux-2.6.11.orig/Documentation/filesystems/ext2.txt 2005-03-02 02:37:50.000000000 -0500
+++ linux-2.6.11/Documentation/filesystems/ext2.txt 2005-04-13 22:49:42.116372414 -0400
@@ -58,6 +58,22 @@
nobh Do not attach buffer_heads to file pagecache.
+iopen Makes an invisible pseudo-directory called
+ __iopen__ available in the root directory
+ of the filesystem. Allows open-by-inode-
+ number. i.e., inode 3145 can be accessed
+ via /mntpt/__iopen__/3145
+
+iopen_nopriv This option makes the iopen directory be
+ world-readable. This may be safer since it
+ allows daemons to run as an unprivileged user,
+ however it significantly changes the security
+ model of a Unix filesystem, since previously
+ all files under a mode 700 directory were not
+ generally avilable even if the
+ permissions on the file itself is
+ world-readable.
+
grpquota,noquota,quota,usrquota Quota options are silently ignored by ext2.
Index: linux-2.6.11/fs/dcache.c
===================================================================
--- linux-2.6.11.orig/fs/dcache.c 2005-04-13 22:44:50.482498026 -0400
+++ linux-2.6.11/fs/dcache.c 2005-04-13 22:50:43.846174872 -0400
@@ -1289,14 +1289,13 @@
* dcache entries should not be moved in this way.
*/
-void d_move(struct dentry * dentry, struct dentry * target)
+void d_move_locked(struct dentry * dentry, struct dentry * target)
{
struct hlist_head *list;
if (!dentry->d_inode)
printk(KERN_WARNING "VFS: moving negative dcache entry\n");
- spin_lock(&dcache_lock);
write_seqlock(&rename_lock);
/*
* XXXX: do we really need to take target->d_lock?
@@ -1356,6 +1355,14 @@
spin_unlock(&target->d_lock);
spin_unlock(&dentry->d_lock);
write_sequnlock(&rename_lock);
+}
+
+EXPORT_SYMBOL(d_move_locked);
+
+void d_move(struct dentry *dentry, struct dentry *target)
+{
+ spin_lock(&dcache_lock);
+ d_move_locked(dentry, target);
spin_unlock(&dcache_lock);
}
Index: linux-2.6.11/include/linux/dcache.h
===================================================================
--- linux-2.6.11.orig/include/linux/dcache.h 2005-04-13 22:44:53.777168980 -0400
+++ linux-2.6.11/include/linux/dcache.h 2005-04-13 22:49:42.119372070 -0400
@@ -239,6 +239,7 @@
* This adds the entry to the hash queues.
*/
extern void d_rehash(struct dentry *);
+extern void d_rehash_cond(struct dentry *, int lock);
/**
* d_add - add dentry to hash queues
@@ -274,6 +275,7 @@
/* used for rename() and baskets */
extern void d_move(struct dentry *, struct dentry *);
+extern void d_move_locked(struct dentry *, struct dentry *);
/* appendix may either be NULL or be used for transname suffixes */
extern struct dentry * d_lookup(struct dentry *, struct qstr *);
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