+ revert-vfs-propagate-mnt_flags-into-do_loopback-vfsmount.patch added to -mm tree

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The patch titled

     revert "vfs: propagate mnt_flags into do_loopback/vfsmount"

has been added to the -mm tree.  Its filename is

     revert-vfs-propagate-mnt_flags-into-do_loopback-vfsmount.patch

See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this


From: Andrew Morton <akpm@xxxxxxxx>

Revert f6422f17d3a480f21917a3895e2a46b968f56a08, due to

Valdis.Kletnieks@xxxxxx wrote:
>
> There seems to have been a bug introduced in this changeset:
> 
> http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f6422f17d3a480f21917a3895e2a46b968f56a08
> 
> Am running 2.6.17-rc3-mm1.  When this changeset is applied, 'mount --bind'
> misbehaves:
> 
> > # mkdir /foo
> > # mount -t tmpfs -o rw,nosuid,nodev,noexec,noatime,nodiratime none /foo
> > # mkdir /foo/bar
> > # mount --bind /foo/bar /foo
> > # tail -2 /proc/mounts
> > none /foo tmpfs rw,nosuid,nodev,noexec,noatime,nodiratime 0 0
> > none /foo tmpfs rw 0 0
> 
> Reverting this changeset causes both mounts to have the same options.
> 
> (Thanks to Stephen Smalley for tracking down the changeset...)
> 

Cc: Herbert Poetzl <herbert@xxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Cc: <Valdis.Kletnieks@xxxxxx>
Cc: Stephen Smalley <sds@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

 fs/namespace.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diff -puN fs/namespace.c~revert-vfs-propagate-mnt_flags-into-do_loopback-vfsmount fs/namespace.c
--- devel/fs/namespace.c~revert-vfs-propagate-mnt_flags-into-do_loopback-vfsmount	2006-05-12 11:05:21.000000000 -0700
+++ devel-akpm/fs/namespace.c	2006-05-12 11:05:31.000000000 -0700
@@ -899,13 +899,11 @@ static int do_change_type(struct nameida
 /*
  * do loopback mount.
  */
-static int do_loopback(struct nameidata *nd, char *old_name, unsigned long flags, int mnt_flags)
+static int do_loopback(struct nameidata *nd, char *old_name, int recurse)
 {
 	struct nameidata old_nd;
 	struct vfsmount *mnt = NULL;
-	int recurse = flags & MS_REC;
 	int err = mount_is_safe(nd);
-
 	if (err)
 		return err;
 	if (!old_name || !*old_name)
@@ -939,7 +937,6 @@ static int do_loopback(struct nameidata 
 		spin_unlock(&vfsmount_lock);
 		release_mounts(&umount_list);
 	}
-	mnt->mnt_flags = mnt_flags;
 
 out:
 	up_write(&namespace_sem);
@@ -1353,7 +1350,7 @@ long do_mount(char *dev_name, char *dir_
 		retval = do_remount(&nd, flags & ~MS_REMOUNT, mnt_flags,
 				    data_page);
 	else if (flags & MS_BIND)
-		retval = do_loopback(&nd, dev_name, flags, mnt_flags);
+		retval = do_loopback(&nd, dev_name, flags & MS_REC);
 	else if (flags & (MS_SHARED | MS_PRIVATE | MS_SLAVE | MS_UNBINDABLE))
 		retval = do_change_type(&nd, flags);
 	else if (flags & MS_MOVE)
_

Patches currently in -mm which might be from akpm@xxxxxxxx are

origin.patch
autofs4-nfy_none-wait-race-fix-tidy.patch
setup_per_zone_pages_min-overflow-fix.patch
git-acpi.patch
acpi_early_init-fix.patch
acpi-update-asus_acpi-driver-registration-fix.patch
acpi-memory-hotplug-cannot-manage-_crs-with-plural-resoureces.patch
catch-notification-of-memory-add-event-of-acpi-via-container-driver-register-start-func-for-memory-device.patch
catch-notification-of-memory-add-event-of-acpi-via-container-driveravoid-redundant-call-add_memory.patch
remove-for_each_cpu.patch
sony_apci-resume.patch
powernow-k8-crash-workaround.patch
s3c24xx-hardware-spi-driver-tidy.patch
git-dvb.patch
scx200_acb-use-pci-i-o-resource-when-appropriate-fix.patch
git-gfs2.patch
git-infiniband.patch
via-pmu-add-input-device-tidy.patch
git-klibc.patch
git-hdrcleanup-fixup.patch
git-hdrinstall-fixup.patch
git-libata-all.patch
git-mtd.patch
git-mtd-build-fix.patch
git-mtd-isnt-arm-only.patch
git-netdev-all.patch
smc911x-Kconfig-fix.patch
pci-error-recovery-e1000-network-device-driver.patch
nfs-share-nfs-superblocks-per-protocol-per-server-per-fsid-fix.patch
nfs-use-local-caching-fix.patch
git-powerpc.patch
git-rbtree.patch
git-sas.patch
gregkh-pci-pci-64-bit-resources-drivers-others-changes-amba-fix.patch
kconfigurable-resources-core-changes-fix.patch
kconfigurable-resources-arch-dependent-changes-arch-a-i-fix.patch
typesh-sector_t-and-blkcnt_t-arent-for-userspace.patch
qla2xxx-lock-ordering-fix-warning-fix.patch
areca-raid-linux-scsi-driver-update6-for-2617-rc1-mm3-externs-go-in-headers.patch
git-watchdog.patch
xfs-sparc32-build-fix.patch
gregkh-devfs-devfs-remove-genhd-devfs_name-warning-fix.patch
pg_uncached-is-ia64-only.patch
pgdat-allocation-for-new-node-add-specify-node-id-powerpc-fix.patch
pgdat-allocation-for-new-node-add-specify-node-id-tidy.patch
pgdat-allocation-for-new-node-add-specify-node-id-fix-3.patch
pgdat-allocation-for-new-node-add-get-node-id-by-acpi-tidy.patch
pgdat-allocation-for-new-node-add-generic-alloc-node_data-tidy.patch
pgdat-allocation-for-new-node-add-refresh-node_data-fix.patch
pgdat-allocation-for-new-node-add-export-kswapd-start-func-tidy.patch
catch-valid-mem-range-at-onlining-memory-tidy.patch
catch-valid-mem-range-at-onlining-memory-fix.patch
mm-introduce-remap_vmalloc_range-fix.patch
tracking-dirty-pages-in-shared-mappings-v4-fix2.patch
tracking-dirty-pages-in-shared-mappings-v4-fix3.patch
throttle-writers-of-shared-mappings-tidy.patch
acx1xx-wireless-driver.patch
dont-use-flush_tlb_all-in-suspend-time-tidy.patch
prune_one_dentry-tweaks.patch
mmput-might-sleep.patch
jbd-avoid-kfree-null.patch
ext3_clear_inode-avoid-kfree-null.patch
leds-amstrad-delta-led-support-tidy.patch
percpu-counter-data-type-changes-to-suppport-fix.patch
connector-exports.patch
config_net=n-build-fix.patch
jbd-split-checkpoint-lists-tidy.patch
mark-address_space_operations-const-fix.patch
mark-address_space_operations-const-fix-2.patch
allow-for-per-cpu-data-being-in-tdata-and-tbss-sections-fix.patch
allow-for-per-cpu-data-being-in-tdata-and-tbss-sections-tidy.patch
deprecate-smbfs-in-favour-of-cifs.patch
hptiop-highpoint-rocketraid-3xxx-controller-driver-list-locking.patch
hptiop-highpoint-rocketraid-3xxx-controller-driver-list-locking-updates.patch
hptiop-highpoint-rocketraid-3xxx-controller-driver-list-locking-updates-updates-2.patch
hangcheck-remove-monotomic_clock-on-x86.patch
pi-futex-futex-code-cleanups-fix.patch
reiser4.patch
savagefb-add-state-save-and_restore-hooks-tidy.patch
kgdb-core-lite-add-reboot-command.patch
kgdb-8250-fix.patch
nr_blockdev_pages-in_interrupt-warning.patch
device-suspend-debug.patch
revert-tty-buffering-comment-out-debug-code.patch
slab-leaks3-default-y.patch
x86-kmap_atomic-debugging.patch
profile-likely-unlikely-macros-tidy.patch
profile-likely-unlikely-macros-fix.patch
profile-likely-unlikely-macros-fix-2.patch
revert-vfs-propagate-mnt_flags-into-do_loopback-vfsmount.patch

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