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authorMiklos Szeredi <mszeredi@suse.cz>2008-07-25 01:49:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-25 10:53:48 -0700
commitdbd561d236ff16f8143bc727d91758ddd190e8cb (patch)
treeaac8fb4d98c3f425b2f5bf404af7d82182f19bc0 /fs/fuse/fuse_i.h
parent0de6256daafa3a97a269995e9b29f956bd419bbf (diff)
downloadop-kernel-dev-dbd561d236ff16f8143bc727d91758ddd190e8cb.zip
op-kernel-dev-dbd561d236ff16f8143bc727d91758ddd190e8cb.tar.gz
fuse: add export operations
Implement export_operations, to allow fuse filesystems to be exported to NFS. This feature has been in the out-of-tree fuse module, and is widely used and tested. It has not been originally merged into mainline, because doing the NFS export in userspace was thought to be a cleaner and more efficient way of doing it, than through the kernel. While that is true, it would also have involved a lot of duplicated effort at reimplementing NFS exporting (all the different versions of the protocol). This effort was unfortunately not undertaken by anyone, so we are left with doing it the easy but less efficient way. If this feature goes in, the out-of-tree fuse module can go away, which would have several advantages: - not having to maintain two versions - less confusion for users - no bugs due to kernel API changes Comment from hch: - Use the same fh_type values as XFS, since we use the same fh encoding. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse/fuse_i.h')
-rw-r--r--fs/fuse/fuse_i.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index bae9486..5d3146d 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -464,6 +464,8 @@ static inline u64 get_node_id(struct inode *inode)
/** Device operations */
extern const struct file_operations fuse_dev_operations;
+extern struct dentry_operations fuse_dentry_operations;
+
/**
* Get a filled in inode
*/
@@ -604,6 +606,8 @@ void fuse_abort_conn(struct fuse_conn *fc);
*/
void fuse_invalidate_attr(struct inode *inode);
+void fuse_invalidate_entry_cache(struct dentry *entry);
+
/**
* Acquire reference to fuse_conn
*/
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