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[PATCH] NFSv4: client-side caching NFSv4 ACLs

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Add nfs4_acl field to the nfs_inode, and use it to cache acls.  Only cache
 acls of size up to a page.  Also prepare for up to a page of acl data even
 when the user doesn't pass in a buffer, as when they want to get the acl
 length to decide what size buffer to allocate.

 Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
J. Bruce Fields
2005-06-22 17:16:23 +00:00
committed by Trond Myklebust
parent 4b580ee3dc
commit e50a1c2e1f
3 changed files with 124 additions and 14 deletions
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7
fs/nfs/inode.c
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@@ -142,10 +142,6 @@ nfs_delete_inode(struct inode * inode)
clear_inode(inode);
}
/*
* For the moment, the only task for the NFS clear_inode method is to
* release the mmap credential
*/
static void
nfs_clear_inode(struct inode *inode)
{
@@ -1923,6 +1919,9 @@ static struct inode *nfs_alloc_inode(struct super_block *sb)
if (!nfsi)
return NULL;
nfsi->flags = 0;
#ifdef CONFIG_NFS_V4
nfsi->nfs4_acl = NULL;
#endif /* CONFIG_NFS_V4 */
return &nfsi->vfs_inode;
}