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[PATCH] NFS: Fix up v3 ACL caching code

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Initialize the inode cache values correctly.
 Clean up __nfs3_forget_cached_acls()

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2005-06-22 17:16:27 +00:00
parent 5c6a9f7d92
commit 458818ed76
2 changed files with 10 additions and 5 deletions
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4
fs/nfs/inode.c
View file

@ -1961,6 +1961,10 @@ static struct inode *nfs_alloc_inode(struct super_block *sb)
if (!nfsi) if (!nfsi)
return NULL; return NULL;
nfsi->flags = 0; nfsi->flags = 0;
#ifdef CONFIG_NFS_V3_ACL
nfsi->acl_access = ERR_PTR(-EAGAIN);
nfsi->acl_default = ERR_PTR(-EAGAIN);
#endif
#ifdef CONFIG_NFS_V4 #ifdef CONFIG_NFS_V4
nfsi->nfs4_acl = NULL; nfsi->nfs4_acl = NULL;
#endif /* CONFIG_NFS_V4 */ #endif /* CONFIG_NFS_V4 */

11
fs/nfs/nfs3acl.c
View file

@ -115,11 +115,11 @@ int nfs3_removexattr(struct dentry *dentry, const char *name)
static void __nfs3_forget_cached_acls(struct nfs_inode *nfsi) static void __nfs3_forget_cached_acls(struct nfs_inode *nfsi)
{ {
if (nfsi->acl_access != ERR_PTR(-EAGAIN)) { if (!IS_ERR(nfsi->acl_access)) {
posix_acl_release(nfsi->acl_access); posix_acl_release(nfsi->acl_access);
nfsi->acl_access = ERR_PTR(-EAGAIN); nfsi->acl_access = ERR_PTR(-EAGAIN);
} }
if (nfsi->acl_default != ERR_PTR(-EAGAIN)) { if (!IS_ERR(nfsi->acl_default)) {
posix_acl_release(nfsi->acl_default); posix_acl_release(nfsi->acl_default);
nfsi->acl_default = ERR_PTR(-EAGAIN); nfsi->acl_default = ERR_PTR(-EAGAIN);
} }
@ -137,7 +137,7 @@ void nfs3_forget_cached_acls(struct inode *inode)
static struct posix_acl *nfs3_get_cached_acl(struct inode *inode, int type) static struct posix_acl *nfs3_get_cached_acl(struct inode *inode, int type)
{ {
struct nfs_inode *nfsi = NFS_I(inode); struct nfs_inode *nfsi = NFS_I(inode);
struct posix_acl *acl = ERR_PTR(-EAGAIN); struct posix_acl *acl = ERR_PTR(-EINVAL);
spin_lock(&inode->i_lock); spin_lock(&inode->i_lock);
switch(type) { switch(type) {
@ -150,12 +150,13 @@ static struct posix_acl *nfs3_get_cached_acl(struct inode *inode, int type)
break; break;
default: default:
return ERR_PTR(-EINVAL); goto out;
} }
if (acl == ERR_PTR(-EAGAIN)) if (IS_ERR(acl))
acl = ERR_PTR(-EAGAIN); acl = ERR_PTR(-EAGAIN);
else else
acl = posix_acl_dup(acl); acl = posix_acl_dup(acl);
out:
spin_unlock(&inode->i_lock); spin_unlock(&inode->i_lock);
dprintk("NFS: nfs3_get_cached_acl(%s/%ld, %d) = %p\n", inode->i_sb->s_id, dprintk("NFS: nfs3_get_cached_acl(%s/%ld, %d) = %p\n", inode->i_sb->s_id,
inode->i_ino, type, acl); inode->i_ino, type, acl);