Messages in this thread | | | From | Andreas Dilger <> | Subject | Re: [PATCH v2 1/5] orangefs: fix request_mask misuse | Date | Fri, 19 Oct 2018 08:27:05 -0600 |
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On Oct 19, 2018, at 6:20 AM, Miklos Szeredi <mszeredi@redhat.com> wrote: > > Orangefs only handles STATX_BASIC_STATS in its getattr implementation, so > mask off all other flags. Not doing so results in statx(2) forcing a > refresh of cached attributes on any other requested flag (i.e. STATX_BTIME > currently) due to the following test in orangefs_inode_getattr(): > > (request_mask & orangefs_inode->getattr_mask) == request_mask > > Also clean up gratuitous uses of STATX_ALL. > > Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> > Reviewed-by: Martin Brandenburg <martin@omnibond.com> > Cc: Mike Marshall <hubcap@omnibond.com> > --- > fs/orangefs/inode.c | 7 ++++--- > 1 file changed, 4 insertions(+), 3 deletions(-) > > diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c > index 31932879b716..bd7f15a831dc 100644 > --- a/fs/orangefs/inode.c > +++ b/fs/orangefs/inode.c > @@ -256,7 +256,8 @@ int orangefs_getattr(const struct path *path, struct kstat *stat, > "orangefs_getattr: called on %pd\n", > path->dentry); > > - ret = orangefs_inode_getattr(inode, 0, 0, request_mask); > + ret = orangefs_inode_getattr(inode, 0, 0, > + request_mask & STATX_BASIC_STATS);
Does it make sense to mask this off at the caller, rather than within orangefs_inode_getattr()? Otherwise, orangefs_inode_getattr() will never see additional stats passed in, even if it is enhanced to return other values.
Cheers, Andreas
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