Messages in this thread Patch in this message |  | | Date | Wed, 25 Feb 2009 11:17:48 -0600 | | From | "Serge E. Hallyn" <> | | Subject | Re: mmotm 2009-02-24-16-23 uploaded (proc_net & namespaces) |
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Quoting Randy Dunlap (randy.dunlap@oracle.com): > akpm@linux-foundation.org wrote: > > The mm-of-the-moment snapshot 2009-02-24-16-23 has been uploaded to > > > > http://userweb.kernel.org/~akpm/mmotm/ > > > > and will soon be available at > > > > git://git.zen-sources.org/zen/mmotm.git > > > > It contains the following patches against 2.6.29-rc6: > > namespaces-move-proc_net_get_sb-to-a-generic-fs-superc-helper.patch, > when CONFIG_NAMESPACES=n: > > proc_net.c:(.text+0x4255c): undefined reference to `get_sb_ns' > > > config attached.
Thanks, Randy. Does the following fix it?
(Sorry, it's a misleading patch, and maybe it would turn out more readable if I moved get_sb_ns under instead of above the CONFIG_BLOCK ifdef... But all I'm doing is what the subject says, plus adding an EXPORT_SYMBOL which may be debatable, but is in keeping with other get_sb_*'s.)
thanks, -serge
From fff28e37112037efbbc6e44e29bbd741c9dd38a9 Mon Sep 17 00:00:00 2001 From: Serge E. Hallyn <serue@us.ibm.com> Date: Wed, 25 Feb 2009 09:14:03 -0800 Subject: [PATCH 1/1] namespaces: get_sb_ns does not require CONFIG_BLOCK
So move it outside of the CONFIG_BLOCK ifdef in fs/super.c.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> --- fs/super.c | 50 ++++++++++++++++++++++++++------------------------ 1 files changed, 26 insertions(+), 24 deletions(-)
diff --git a/fs/super.c b/fs/super.c index 1a37b58..b3bf049 100644 --- a/fs/super.c +++ b/fs/super.c @@ -761,30 +761,6 @@ void kill_litter_super(struct super_block *sb) EXPORT_SYMBOL(kill_litter_super); -#ifdef CONFIG_BLOCK -static int set_bdev_super(struct super_block *s, void *data) -{ - s->s_bdev = data; - s->s_dev = s->s_bdev->bd_dev; - return 0; -} - -static int test_bdev_super(struct super_block *s, void *data) -{ - return (void *)s->s_bdev == data; -} - -static int ns_test_super(struct super_block *sb, void *data) -{ - return sb->s_fs_info == data; -} - -static int ns_set_super(struct super_block *sb, void *data) -{ - sb->s_fs_info = data; - return set_anon_super(sb, NULL); -} - int get_sb_ns(struct file_system_type *fs_type, int flags, void *data, int (*fill_super)(struct super_block *, void *, int), struct vfsmount *mnt) @@ -812,6 +788,32 @@ int get_sb_ns(struct file_system_type *fs_type, int flags, void *data, return 0; } +EXPORT_SYMBOL(get_sb_ns); + +#ifdef CONFIG_BLOCK +static int set_bdev_super(struct super_block *s, void *data) +{ + s->s_bdev = data; + s->s_dev = s->s_bdev->bd_dev; + return 0; +} + +static int test_bdev_super(struct super_block *s, void *data) +{ + return (void *)s->s_bdev == data; +} + +static int ns_test_super(struct super_block *sb, void *data) +{ + return sb->s_fs_info == data; +} + +static int ns_set_super(struct super_block *sb, void *data) +{ + sb->s_fs_info = data; + return set_anon_super(sb, NULL); +} + int get_sb_bdev(struct file_system_type *fs_type, int flags, const char *dev_name, void *data, int (*fill_super)(struct super_block *, void *, int), -- 1.5.4.3
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