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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 /fs/nfs/inode.c | |
| parent | 3eeab61aa3ddd3c0bedb7449ada1599de22fdb5a (diff) | |
| download | linux-stable-1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e.tar.gz linux-stable-1c3c07e9f6cc50dab2aeb8051325e317d4f6c70e.tar.bz2 linux-stable-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 'fs/nfs/inode.c')
| -rw-r--r-- | fs/nfs/inode.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index d349fb2245da..b94ab060bb1e 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -76,19 +76,14 @@ int nfs_write_inode(struct inode *inode, int sync) void nfs_clear_inode(struct inode *inode) { - struct nfs_inode *nfsi = NFS_I(inode); - struct rpc_cred *cred; - /* * The following should never happen... */ BUG_ON(nfs_have_writebacks(inode)); - BUG_ON (!list_empty(&nfsi->open_files)); + BUG_ON(!list_empty(&NFS_I(inode)->open_files)); + BUG_ON(atomic_read(&NFS_I(inode)->data_updates) != 0); nfs_zap_acl_cache(inode); - cred = nfsi->cache_access.cred; - if (cred) - put_rpccred(cred); - BUG_ON(atomic_read(&nfsi->data_updates) != 0); + nfs_access_zap_cache(inode); } /** @@ -290,7 +285,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr) nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); nfsi->attrtimeo_timestamp = jiffies; memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf)); - nfsi->cache_access.cred = NULL; + nfsi->access_cache = RB_ROOT; unlock_new_inode(inode); } else |