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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 /include
parent5ca29607331fe37980dc3b488793ef8b1409b722 (diff)
downloadop-kernel-dev-d37065cd6d6bbe98fd4be14d6c9e64c0bfa124c5.zip
op-kernel-dev-d37065cd6d6bbe98fd4be14d6c9e64c0bfa124c5.tar.gz
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 'include')
-rw-r--r--include/linux/exportfs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index fdc306f..8872fe8 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -5,6 +5,7 @@
struct dentry;
struct super_block;
+struct vfsmount;
/**
@@ -116,4 +117,10 @@ extern struct dentry *find_exported_dentry(struct super_block *sb, void *obj,
void *parent, int (*acceptable)(void *context, struct dentry *de),
void *context);
+extern int exportfs_encode_fh(struct dentry *dentry, __u32 *fh, int *max_len,
+ int connectable);
+extern struct dentry *exportfs_decode_fh(struct vfsmount *mnt, __u32 *fh,
+ int fh_len, int fileid_type, int (*acceptable)(void *, struct dentry *),
+ void *context);
+
#endif /* LINUX_EXPORTFS_H */
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