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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-07-25 11:28:18 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2006-09-22 23:24:28 -0400 |
| commit | 1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e (patch) | |
| tree | 96bbc2a304e9a0e831daf589d1662c6129303796 /include/linux | |
| parent | 3eeab61aa3ddd3c0bedb7449ada1599de22fdb5a (diff) | |
| download | linux-1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e.tar.gz linux-1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e.tar.bz2 linux-1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e.zip | |
NFS: Add a new ACCESS rpc call cache to the linux nfs client
The current access cache only allows one entry at a time to be cached for each
inode. Add a per-inode red-black tree in order to allow more than one to
be cached at a time.
Should significantly cut down the time spent in path traversal for shared
directories such as ${PATH}, /usr/share, etc.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/nfs_fs.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 6c2066caeaab..cc013ed2e52e 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -42,6 +42,7 @@ #include <linux/in.h> #include <linux/mm.h> #include <linux/pagemap.h> +#include <linux/rbtree.h> #include <linux/rwsem.h> #include <linux/wait.h> @@ -69,6 +70,7 @@ * NFSv3/v4 Access mode cache entry */ struct nfs_access_entry { + struct rb_node rb_node; unsigned long jiffies; struct rpc_cred * cred; int mask; @@ -145,7 +147,7 @@ struct nfs_inode { */ atomic_t data_updates; - struct nfs_access_entry cache_access; + struct rb_root access_cache; #ifdef CONFIG_NFS_V3_ACL struct posix_acl *acl_access; struct posix_acl *acl_default; @@ -297,6 +299,7 @@ extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *); extern int nfs_permission(struct inode *, int, struct nameidata *); extern int nfs_access_get_cached(struct inode *, struct rpc_cred *, struct nfs_access_entry *); extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *); +extern void nfs_access_zap_cache(struct inode *inode); extern int nfs_open(struct inode *, struct file *); extern int nfs_release(struct inode *, struct file *); extern int nfs_attribute_timeout(struct inode *inode); |