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authorChristoph Hellwig <hch@infradead.org>2007-07-17 04:04:30 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-17 10:23:06 -0700
commitd37065cd6d6bbe98fd4be14d6c9e64c0bfa124c5 (patch)
tree03a996d3d93a4d5ebd737519f7a6f959ecdbce0d /fs/nfsd
parent5ca29607331fe37980dc3b488793ef8b1409b722 (diff)
knfsd: exportfs: add procedural interface for NFSD
Currently NFSD calls directly into filesystems through the export_operations structure. I plan to change this interface in various ways in later patches, and want to avoid the export of the default operations to NFSD, so this patch adds two simple exportfs_encode_fh/exportfs_decode_fh helpers for NFSD to call instead of poking into exportfs guts. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfsfh.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index 0108d3ec1c27..ecf9c361b3f5 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -28,10 +28,6 @@
static int nfsd_nr_verified;
static int nfsd_nr_put;
-extern struct export_operations export_op_default;
-
-#define CALL(ops,fun) ((ops->fun)?(ops->fun):export_op_default.fun)
-
/*
* our acceptability function.
* if NOSUBTREECHECK, accept anything
@@ -212,11 +208,9 @@ fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access)
if (fileid_type == 0)
dentry = dget(exp->ex_dentry);
else {
- struct export_operations *nop = exp->ex_mnt->mnt_sb->s_export_op;
- dentry = CALL(nop,decode_fh)(exp->ex_mnt->mnt_sb,
- datap, data_left,
- fileid_type,
- nfsd_acceptable, exp);
+ dentry = exportfs_decode_fh(exp->ex_mnt, datap,
+ data_left, fileid_type,
+ nfsd_acceptable, exp);
}
if (dentry == NULL)
goto out;
@@ -287,15 +281,13 @@ out:
static inline int _fh_update(struct dentry *dentry, struct svc_export *exp,
__u32 *datap, int *maxsize)
{
- struct export_operations *nop = exp->ex_mnt->mnt_sb->s_export_op;
-
if (dentry == exp->ex_dentry) {
*maxsize = 0;
return 0;
}
- return CALL(nop,encode_fh)(dentry, datap, maxsize,
- !(exp->ex_flags&NFSEXP_NOSUBTREECHECK));
+ return exportfs_encode_fh(dentry, datap, maxsize,
+ !(exp->ex_flags & NFSEXP_NOSUBTREECHECK));
}
/*