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authorChristoph Hellwig <hch@lst.de>2006-03-20 13:44:40 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-03-20 13:44:40 -0500
commit26bcbf965f857c710adafd16cf424f043006b5dd (patch)
treefa3c1e4ba07ab3d1e4e61b27c7579c57fd2d5c65 /include/linux/fs.h
parent04266473ecf5cdca242201d9f1ed890afe070fb6 (diff)
lockd: stop abusing file_lock_list
Currently lockd directly access the file_lock_list from fs/locks.c. It does so to mark locks granted or reclaimable. This is very suboptimal, because a) lockd needs to poke into locks.c internals, and b) it needs to iterate over all locks in the system for marking locks granted or reclaimable. This patch adds lists for granted and reclaimable locks to the nlm_host structure instead, and adds locks to those. nlmclnt_lock: now adds the lock to h_granted instead of setting the NFS_LCK_GRANTED, still O(1) nlmclnt_mark_reclaim: goes away completely, replaced by a list_splice_init. Complexity reduced from O(locks in the system) to O(1) reclaimer: iterates over h_reclaim now, complexity reduced from O(locks in the system) to O(locks per nlm_host) Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d2cffee8fc11..5dc0fa288a4c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -730,8 +730,6 @@ struct file_lock {
730#define OFFT_OFFSET_MAX INT_LIMIT(off_t) 730#define OFFT_OFFSET_MAX INT_LIMIT(off_t)
731#endif 731#endif
732 732
733extern struct list_head file_lock_list;
734
735#include <linux/fcntl.h> 733#include <linux/fcntl.h>
736 734
737extern int fcntl_getlk(struct file *, struct flock __user *); 735extern int fcntl_getlk(struct file *, struct flock __user *);