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authorBrian Behlendorf <[email protected]>2011-11-11 12:45:53 +0530
committerBrian Behlendorf <[email protected]>2012-03-22 13:03:47 -0700
commitebe7e575eae1e03b1faa545a424f008faeac589d (patch)
tree8699359f0f50019b3c2f49b46f0ff06a874c34e4 /module/zfs/dsl_dataset.c
parent49be0ccf1fdc2ce852271d4d2f8b7a9c2c4be6db (diff)
Add .zfs control directory
Add support for the .zfs control directory. This was accomplished by leveraging as much of the existing ZFS infrastructure as posible and updating it for Linux as required. The bulk of the core functionality is now all there with the following limitations. *) The .zfs/snapshot directory automount support requires a 2.6.37 or newer kernel. The exception is RHEL6.2 which has backported the d_automount patches. *) Creating/destroying/renaming snapshots with mkdir/rmdir/mv in the .zfs/snapshot directory works as expected. However, this functionality is only available to root until zfs delegations are finished. * mkdir - create a snapshot * rmdir - destroy a snapshot * mv - rename a snapshot The following issues are known defeciences, but we expect them to be addressed by future commits. *) Add automount support for kernels older the 2.6.37. This should be possible using follow_link() which is what Linux did before. *) Accessing the .zfs/snapshot directory via NFS is not yet possible. The majority of the ground work for this is complete. However, finishing this work will require resolving some lingering integration issues with the Linux NFS kernel server. *) The .zfs/shares directory exists but no futher smb functionality has yet been implemented. Contributions-by: Rohan Puri <[email protected]> Contributiobs-by: Andrew Barnes <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]> Closes #173
Diffstat (limited to 'module/zfs/dsl_dataset.c')
-rw-r--r--module/zfs/dsl_dataset.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/module/zfs/dsl_dataset.c b/module/zfs/dsl_dataset.c
index 718c3ad52..2deec8cf1 100644
--- a/module/zfs/dsl_dataset.c
+++ b/module/zfs/dsl_dataset.c
@@ -2373,8 +2373,7 @@ dsl_snapshot_rename_one(const char *name, void *arg)
return (err == ENOENT ? 0 : err);
}
-/* XXX: Ignore for SPL version until mounting the FS is supported */
-#if defined(_KERNEL) && !defined(HAVE_SPL)
+#ifdef _KERNEL
/*
* For all filesystems undergoing rename, we'll need to unmount it.
*/