From a8754beedbdc56864bc5f8c9461929a9b328b899 Mon Sep 17 00:00:00 2001 From: Dave Hansen Date: Tue, 16 Oct 2007 23:31:15 -0700 Subject: [PATCH] r/o bind mounts: create cleanup helper svc_msnfs() I'm going to be modifying nfsd_rename() shortly to support read-only bind mounts. This #ifdef is around the area I'm patching, and it starts to get really ugly if I just try to add my new code by itself. Using this little helper makes things a lot cleaner to use. Signed-off-by: Dave Hansen Acked-by: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/nfsd/vfs.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 2a8d665b13..1d72f993b6 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -865,6 +865,15 @@ static int nfsd_direct_splice_actor(struct pipe_inode_info *pipe, return __splice_from_pipe(pipe, sd, nfsd_splice_actor); } +static inline int svc_msnfs(struct svc_fh *ffhp) +{ +#ifdef MSNFS + return (ffhp->fh_export->ex_flags & NFSEXP_MSNFS); +#else + return 0; +#endif +} + static __be32 nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, unsigned long *count) @@ -877,11 +886,9 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, err = nfserr_perm; inode = file->f_path.dentry->d_inode; -#ifdef MSNFS - if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) && - (!lock_may_read(inode, offset, *count))) + + if (svc_msnfs(fhp) && !lock_may_read(inode, offset, *count)) goto out; -#endif /* Get readahead parameters */ ra = nfsd_get_raparms(inode->i_sb->s_dev, inode->i_ino); -- 2.39.5