diff options
Diffstat (limited to 'fs/nfsd/nfs4recover.c')
| -rw-r--r-- | fs/nfsd/nfs4recover.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index 4e92fb38cfb2..3048c012d4bc 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -65,6 +65,7 @@ struct nfsd4_client_tracking_ops { static struct file *rec_file; static char user_recovery_dirname[PATH_MAX] = "/var/lib/nfs/v4recovery"; static struct nfsd4_client_tracking_ops *client_tracking_ops; +static bool in_grace; static int nfs4_save_creds(const struct cred **original_creds) @@ -142,6 +143,7 @@ nfsd4_create_clid_dir(struct nfs4_client *clp) const struct cred *original_cred; char *dname = clp->cl_recdir; struct dentry *dir, *dentry; + struct nfs4_client_reclaim *crp; int status; dprintk("NFSD: nfsd4_create_clid_dir for \"%s\"\n", dname); @@ -182,13 +184,19 @@ out_put: dput(dentry); out_unlock: mutex_unlock(&dir->d_inode->i_mutex); - if (status == 0) + if (status == 0) { + if (in_grace) { + crp = nfs4_client_to_reclaim(clp->cl_recdir); + if (crp) + crp->cr_clp = clp; + } vfs_fsync(rec_file, 0); - else + } else { printk(KERN_ERR "NFSD: failed to write recovery record" " (err %d); please check that %s exists" " and is writeable", status, user_recovery_dirname); + } mnt_drop_write_file(rec_file); nfs4_reset_creds(original_cred); } @@ -289,6 +297,7 @@ static void nfsd4_remove_clid_dir(struct nfs4_client *clp) { const struct cred *original_cred; + struct nfs4_client_reclaim *crp; int status; if (!rec_file || !test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags)) @@ -305,8 +314,15 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp) status = nfsd4_unlink_clid_dir(clp->cl_recdir, HEXDIR_LEN-1); nfs4_reset_creds(original_cred); - if (status == 0) + if (status == 0) { vfs_fsync(rec_file, 0); + if (in_grace) { + /* remove reclaim record */ + crp = nfsd4_find_reclaim_client(clp->cl_recdir); + if (crp) + nfs4_remove_reclaim_record(crp); + } + } out_drop_write: mnt_drop_write_file(rec_file); out: @@ -336,6 +352,7 @@ nfsd4_recdir_purge_old(struct net *net, time_t boot_time) { int status; + in_grace = false; if (!rec_file) return; status = mnt_want_write_file(rec_file); @@ -410,6 +427,8 @@ nfsd4_init_recdir(void) } nfs4_reset_creds(original_cred); + if (!status) + in_grace = true; return status; } @@ -481,13 +500,17 @@ nfs4_recoverydir(void) static int nfsd4_check_legacy_client(struct nfs4_client *clp) { + struct nfs4_client_reclaim *crp; + /* did we already find that this client is stable? */ if (test_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags)) return 0; /* look for it in the reclaim hashtable otherwise */ - if (nfsd4_find_reclaim_client(clp->cl_recdir)) { + crp = nfsd4_find_reclaim_client(clp->cl_recdir); + if (crp) { set_bit(NFSD4_CLIENT_STABLE, &clp->cl_flags); + crp->cr_clp = clp; return 0; } |