[PATCH] fix cramfs making duplicate entries in inode cache

[linux-2.6] / fs / nfsd / nfs4recover.c

diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index bb40083b6b7d77af0779beccf961a382b1e71ca9..954cf893d50c34513c8c7167173a479dc9eb026d 100644 (file)
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -93,7 +93,7 @@ nfs4_make_rec_clidname(char *dname, struct xdr_netobj *clname)
 
        dprintk("NFSD: nfs4_make_rec_clidname for %.*s\n",
                        clname->len, clname->data);
-       tfm = crypto_alloc_tfm("md5", 0);
+       tfm = crypto_alloc_tfm("md5", CRYPTO_TFM_REQ_MAY_SLEEP);
        if (tfm == NULL)
                goto out;
        cksum.len = crypto_tfm_alg_digestsize(tfm);
@@ -114,8 +114,7 @@ nfs4_make_rec_clidname(char *dname, struct xdr_netobj *clname)
        kfree(cksum.data);
        status = nfs_ok;
 out:
-       if (tfm)
-               crypto_free_tfm(tfm);
+       crypto_free_tfm(tfm);
        return status;
 }
 
@@ -289,7 +288,9 @@ nfsd4_unlink_clid_dir(char *name, int namlen)
 
        dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
 
+       down(&rec_dir.dentry->d_inode->i_sem);
        dentry = lookup_one_len(name, rec_dir.dentry, namlen);
+       up(&rec_dir.dentry->d_inode->i_sem);
        if (IS_ERR(dentry)) {
                status = PTR_ERR(dentry);
                return status;
@@ -314,6 +315,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp)
        if (!rec_dir_init || !clp->cl_firststate)
                return;
 
+       clp->cl_firststate = 0;
        nfs4_save_user(&uid, &gid);
        status = nfsd4_unlink_clid_dir(clp->cl_recdir, HEXDIR_LEN-1);
        nfs4_reset_user(uid, gid);