* Gene Heskett <[email protected]> wrote:
> I'll try this, I just put both in the kernel command line for
> 2.6.21-rc6, except I set it for the 238 it was at before the patch was
> reverted. I'd put the patch back in myself, but my searching of the
> lkml corpus here hasn't turned it up.
Andrew has already sent a revert patch to Linus and it's in -rc6. The
commit is below.
Ingo
------------>
commit 2363cc0264c42636e9e7622f78dde5c2f66beb8e
Author: Andrew Morton <[email protected]>
Date: Wed Apr 4 19:08:22 2007 -0700
[PATCH] remove protection of LANANA-reserved majors
Revert all this. It can cause device-mapper to receive a different major from
earlier kernels and it turns out that the Amanda backup program (via GNU tar,
apparently) checks major numbers on files when performing incremental backups.
Which is a bit broken of Amanda (or tar), but this feature isn't important
enough to justify the churn.
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
diff --git a/block/genhd.c b/block/genhd.c
index 050a1f0..441432a 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -62,8 +62,6 @@ int register_blkdev(unsigned int major, const char *name)
/* temporary */
if (major == 0) {
for (index = ARRAY_SIZE(major_names)-1; index > 0; index--) {
- if (is_lanana_major(index))
- continue;
if (major_names[index] == NULL)
break;
}
diff --git a/drivers/base/core.c b/drivers/base/core.c
index ad0f4a2..d7fcf82 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -28,20 +28,6 @@ int (*platform_notify)(struct device * dev) = NULL;
int (*platform_notify_remove)(struct device * dev) = NULL;
/*
- * Detect the LANANA-assigned LOCAL/EXPERIMENTAL majors
- */
-bool is_lanana_major(unsigned int major)
-{
- if (major >= 60 && major <= 63)
- return 1;
- if (major >= 120 && major <= 127)
- return 1;
- if (major >= 240 && major <= 254)
- return 1;
- return 0;
-}
-
-/*
* sysfs bindings for devices.
*/
diff --git a/fs/char_dev.c b/fs/char_dev.c
index 78ced72..164a45c 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -109,8 +109,6 @@ __register_chrdev_region(unsigned int major, unsigned int baseminor,
/* temporary */
if (major == 0) {
for (i = ARRAY_SIZE(chrdevs)-1; i > 0; i--) {
- if (is_lanana_major(i))
- continue;
if (chrdevs[i] == NULL)
break;
}
diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index 4c2c373..2dacab8 100644
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -87,8 +87,6 @@ static inline unsigned sysv_minor(u32 dev)
return dev & 0x3ffff;
}
-bool is_lanana_major(unsigned int major);
-
#else /* __KERNEL__ */
/*
-
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