Hi, Now in the -nmw tree. Thanks,
Steve. On Fri, 2013-02-01 at 12:03 -0500, Bob Peterson wrote: > Hi, > > This patch allocates a block reservation structure before growing > or shrinking a file. Without this structure, the grow or shink code > can reference the bad pointer. > > Regards, > > Bob Peterson > Red Hat File Systems > > Signed-off-by: Bob Peterson <[email protected]> > --- > fs/gfs2/bmap.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c > index d29d779..df686d1 100644 > --- a/fs/gfs2/bmap.c > +++ b/fs/gfs2/bmap.c > @@ -1288,6 +1288,10 @@ int gfs2_setattr_size(struct inode *inode, u64 newsize) > > inode_dio_wait(inode); > > + ret = gfs2_rs_alloc(GFS2_I(inode)); > + if (ret) > + return ret; > + > oldsize = inode->i_size; > if (newsize >= oldsize) > return do_grow(inode, newsize); >
