diff options
| -rw-r--r-- | fs/nfsd/nfs4recover.c | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index ffb59ef6f82..29d77f60585 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -191,52 +191,42 @@ nfsd4_build_namelist(void *arg, const char *name, int namlen, } static int -nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f) +nfsd4_list_rec_dir(recdir_func *f) { const struct cred *original_cred; - struct file *filp; + struct dentry *dir = rec_file->f_path.dentry; LIST_HEAD(names); - struct name_list *entry; - struct dentry *dentry; int status; - if (!rec_file) - return 0; - status = nfs4_save_creds(&original_cred); if (status < 0) return status; - filp = dentry_open(dget(dir), mntget(rec_file->f_path.mnt), O_RDONLY, - current_cred()); - status = PTR_ERR(filp); - if (IS_ERR(filp)) - goto out; - status = vfs_readdir(filp, nfsd4_build_namelist, &names); - fput(filp); + status = vfs_llseek(rec_file, 0, SEEK_SET); + if (status < 0) { + nfs4_reset_creds(original_cred); + return status; + } + + status = vfs_readdir(rec_file, nfsd4_build_namelist, &names); mutex_lock_nested(&dir->d_inode->i_mutex, I_MUTEX_PARENT); while (!list_empty(&names)) { + struct name_list *entry; entry = list_entry(names.next, struct name_list, list); - - dentry = lookup_one_len(entry->name, dir, HEXDIR_LEN-1); - if (IS_ERR(dentry)) { - status = PTR_ERR(dentry); - break; + if (!status) { + struct dentry *dentry; + dentry = lookup_one_len(entry->name, dir, HEXDIR_LEN-1); + if (IS_ERR(dentry)) { + status = PTR_ERR(dentry); + break; + } + status = f(dir, dentry); + dput(dentry); } - status = f(dir, dentry); - dput(dentry); - if (status) - break; list_del(&entry->list); kfree(entry); } mutex_unlock(&dir->d_inode->i_mutex); -out: - while (!list_empty(&names)) { - entry = list_entry(names.next, struct name_list, list); - list_del(&entry->list); - kfree(entry); - } nfs4_reset_creds(original_cred); return status; } @@ -322,7 +312,7 @@ nfsd4_recdir_purge_old(void) { status = mnt_want_write(rec_file->f_path.mnt); if (status) goto out; - status = nfsd4_list_rec_dir(rec_file->f_path.dentry, purge_old); + status = nfsd4_list_rec_dir(purge_old); if (status == 0) vfs_fsync(rec_file, 0); mnt_drop_write(rec_file->f_path.mnt); @@ -352,7 +342,7 @@ nfsd4_recdir_load(void) { if (!rec_file) return 0; - status = nfsd4_list_rec_dir(rec_file->f_path.dentry, load_recdir); + status = nfsd4_list_rec_dir(load_recdir); if (status) printk("nfsd4: failed loading clients from recovery" " directory %s\n", rec_file->f_path.dentry->d_name.name); |