From: Trond Myklebust Date: Wed, 22 Jun 2005 17:16:27 +0000 (+0000) Subject: [PATCH] NFS: Fix up v3 ACL caching code X-Git-Tag: v2.6.13-rc1~68^2~537^2~26 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=458818ed76d3f495f9f32373c936456c9427f759;p=linux-2.6 [PATCH] NFS: Fix up v3 ACL caching code Initialize the inode cache values correctly. Clean up __nfs3_forget_cached_acls() Signed-off-by: Trond Myklebust --- diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 50a03f1504..8a8d57d9d6 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -1961,6 +1961,10 @@ static struct inode *nfs_alloc_inode(struct super_block *sb) if (!nfsi) return NULL; 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 nfsi->nfs4_acl = NULL; #endif /* CONFIG_NFS_V4 */ diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c index 451112ff9a..ee3536fc84 100644 --- a/fs/nfs/nfs3acl.c +++ b/fs/nfs/nfs3acl.c @@ -115,11 +115,11 @@ int nfs3_removexattr(struct dentry *dentry, const char *name) 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); 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); 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) { 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); switch(type) { @@ -150,12 +150,13 @@ static struct posix_acl *nfs3_get_cached_acl(struct inode *inode, int type) break; default: - return ERR_PTR(-EINVAL); + goto out; } - if (acl == ERR_PTR(-EAGAIN)) + if (IS_ERR(acl)) acl = ERR_PTR(-EAGAIN); else acl = posix_acl_dup(acl); +out: spin_unlock(&inode->i_lock); dprintk("NFS: nfs3_get_cached_acl(%s/%ld, %d) = %p\n", inode->i_sb->s_id, inode->i_ino, type, acl);