Messages in this thread Patch in this message | | | From | Jiri Slaby <> | Subject | [PATCH 1/1] FS: btrfs, use helpers for rlimits | Date | Thu, 28 Jan 2010 22:44:35 +0100 |
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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@suse.cz> Cc: Chris Mason <chris.mason@oracle.com> Cc: linux-btrfs@vger.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 bbdc870..45bd8a2 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -3297,8 +3297,7 @@ 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
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