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Date: Wed, 10 Feb 2010 15:01:34 -0500 From: Chris Mason <chris.mason@...cle.com> To: Jiri Slaby <jslaby@...e.cz> Cc: linux-kernel@...r.kernel.org, jirislaby@...il.com, linux-btrfs@...r.kernel.org Subject: Re: [PATCH 1/1] FS: btrfs, use helpers for rlimits Thanks, I have this queued up for .34 -chris On Wed, Feb 10, 2010 at 09:00:09PM +0100, Jiri Slaby wrote: > Make sure compiler won't do weird things with limits. E.g. fetching > them twice may return 2 different values after writable limits are > implemented. > > I.e. either use rlimit helpers added in > 3e10e716abf3c71bdb5d86b8f507f9e72236c9cd > or ACCESS_ONCE if not applicable. > > Signed-off-by: Jiri Slaby <jslaby@...e.cz> > Cc: Chris Mason <chris.mason@...cle.com> > Cc: linux-btrfs@...r.kernel.org > --- > fs/btrfs/inode.c | 3 +-- > 1 files changed, 1 insertions(+), 2 deletions(-) > > diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c > index c41db6d..5aa0cef 100644 > --- a/fs/btrfs/inode.c > +++ b/fs/btrfs/inode.c > @@ -3256,8 +3256,7 @@ static int btrfs_setattr_size(struct inode *inode, struct iattr *attr) > return 0; > > if (attr->ia_size > inode->i_size) { > - unsigned long limit; > - limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; > + unsigned long limit = rlimit(RLIMIT_FSIZE); > if (attr->ia_size > inode->i_sb->s_maxbytes) > return -EFBIG; > if (limit != RLIM_INFINITY && attr->ia_size > limit) { > -- > 1.6.6.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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