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SubjectRe: [PATCH] reiserfs: enable attrs by default if saf
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Doh. Thanks.

- -Jeff

Jens Axboe wrote:
> On Wed, Jun 29 2005, Jeff Mahoney wrote:
>> The following patch enables attrs by default if the reiserfs_attrs_cleared
>> bit is set in the superblock. This allows chattr-type attrs to be used
>> without any further action by the user.
>>
>> Please apply.
>>
>>Signed-off-by: Jeff Mahoney <jeffm@suse.com>
>>
>>diff -ruNpX dontdiff linux-2.6.12-rc6/fs/reiserfs/super.c linux-2.6.12-rc6.devel/fs/reiserfs/super.c
>>--- linux-2.6.12-rc6/fs/reiserfs/super.c 2005-06-13 14:34:58.000000000 -0400
>>+++ linux-2.6.12-rc6.devel/fs/reiserfs/super.c 2005-06-22 17:34:55.000000000 -0400
>>@@ -884,6 +884,8 @@ static void handle_attrs( struct super_b
>> reiserfs_warning(s, "reiserfs: cannot support attributes until flag is set in super-block" );
>> REISERFS_SB(s) -> s_mount_opt &= ~ ( 1 << REISERFS_ATTRS );
>> }
>>+ } else if (le32_to_cpu( rs -> s_flags ) & reiserfs_attrs_cleared) {
>>+ REISERFS_SB(s)->s_mount_opt |= REISERFS_ATTRS;
>> }
>> }
>
> Except rs isn't initialized there, causing a compile warning and a crash
> booting the resulting kernel when reiser mounts...
>
> Signed-off-by: Jens Axboe <axboe@suse.de>
>
> diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
> --- a/fs/reiserfs/super.c
> +++ b/fs/reiserfs/super.c
> @@ -1053,10 +1053,9 @@ static void handle_barrier_mode(struct s
>
> static void handle_attrs( struct super_block *s )
> {
> - struct reiserfs_super_block * rs;
> + struct reiserfs_super_block * rs = SB_DISK_SUPER_BLOCK (s);
>
> if( reiserfs_attrs( s ) ) {
> - rs = SB_DISK_SUPER_BLOCK (s);
> if( old_format_only(s) ) {
> reiserfs_warning(s, "reiserfs: cannot support attributes on 3.5.x disk format" );
> REISERFS_SB(s) -> s_mount_opt &= ~ ( 1 << REISERFS_ATTRS );
>


- --
Jeff Mahoney
SuSE Labs
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