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authorWendy Cheng <wcheng@redhat.com>2008-01-17 11:10:12 -0500
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-04-25 13:00:11 -0400
commit17efa372cfe4d189705edf6cd4fbe283827a5dc7 (patch)
treedcf10b96b079fff6edebbf451a32608ce6032663 /include/linux
parent4373ea84c84d8a96e99d3da99e813d3e36d1bd11 (diff)
lockd: unlock lockd locks held for a certain filesystem
Add /proc/fs/nfsd/unlock_filesystem, which allows e.g.: shell> echo /mnt/sfs1 > /proc/fs/nfsd/unlock_filesystem so that a filesystem can be unmounted before allowing a peer nfsd to take over nfs service for the filesystem. Signed-off-by: S. Wendy Cheng <wcheng@redhat.com> Cc: Lon Hohberger <lhh@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> fs/lockd/svcsubs.c | 66 +++++++++++++++++++++++++++++++++++++++----- fs/nfsd/nfsctl.c | 65 +++++++++++++++++++++++++++++++++++++++++++ include/linux/lockd/lockd.h | 7 ++++ 3 files changed, 131 insertions(+), 7 deletions(-)
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/lockd/lockd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index bcb93fc1fce7..102d928f7206 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -223,6 +223,7 @@ void nlmsvc_invalidate_all(void);
223/* 223/*
224 * Cluster failover support 224 * Cluster failover support
225 */ 225 */
226int nlmsvc_unlock_all_by_sb(struct super_block *sb);
226int nlmsvc_unlock_all_by_ip(__be32 server_addr); 227int nlmsvc_unlock_all_by_ip(__be32 server_addr);
227 228
228static inline struct inode *nlmsvc_file_inode(struct nlm_file *file) 229static inline struct inode *nlmsvc_file_inode(struct nlm_file *file)