node.c (87a9bd265678ec3cc8431b14bcb14c68d0f94032) node.c (7bd59381c82defe19875284c48b1ac9dacd16e8f)
1/*
2 * fs/f2fs/node.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

--- 1282 unchanged lines hidden (view full) ---

1291
1292 if (nm_i->fcnt > 2 * MAX_FREE_NIDS)
1293 return -1;
1294
1295 /* 0 nid should not be used */
1296 if (nid == 0)
1297 return 0;
1298
1/*
2 * fs/f2fs/node.c
3 *
4 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * http://www.samsung.com/
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as

--- 1282 unchanged lines hidden (view full) ---

1291
1292 if (nm_i->fcnt > 2 * MAX_FREE_NIDS)
1293 return -1;
1294
1295 /* 0 nid should not be used */
1296 if (nid == 0)
1297 return 0;
1298
1299 if (!build)
1300 goto retry;
1301
1302 /* do not add allocated nids */
1303 read_lock(&nm_i->nat_tree_lock);
1304 ne = __lookup_nat_cache(nm_i, nid);
1305 if (ne && nat_get_blkaddr(ne) != NULL_ADDR)
1306 allocated = true;
1307 read_unlock(&nm_i->nat_tree_lock);
1308 if (allocated)
1309 return 0;
1310retry:
1311 i = kmem_cache_alloc(free_nid_slab, GFP_NOFS);
1312 if (!i) {
1313 cond_resched();
1314 goto retry;
1299 if (build) {
1300 /* do not add allocated nids */
1301 read_lock(&nm_i->nat_tree_lock);
1302 ne = __lookup_nat_cache(nm_i, nid);
1303 if (ne && nat_get_blkaddr(ne) != NULL_ADDR)
1304 allocated = true;
1305 read_unlock(&nm_i->nat_tree_lock);
1306 if (allocated)
1307 return 0;
1315 }
1308 }
1309
1310 i = f2fs_kmem_cache_alloc(free_nid_slab, GFP_NOFS);
1316 i->nid = nid;
1317 i->state = NID_NEW;
1318
1319 spin_lock(&nm_i->free_nid_list_lock);
1320 if (__lookup_free_nid_list(nid, &nm_i->free_nid_list)) {
1321 spin_unlock(&nm_i->free_nid_list_lock);
1322 kmem_cache_free(free_nid_slab, i);
1323 return 0;

--- 512 unchanged lines hidden --- 		1311 i->nid = nid;
1312 i->state = NID_NEW;
1313
1314 spin_lock(&nm_i->free_nid_list_lock);
1315 if (__lookup_free_nid_list(nid, &nm_i->free_nid_list)) {
1316 spin_unlock(&nm_i->free_nid_list_lock);
1317 kmem_cache_free(free_nid_slab, i);
1318 return 0;

--- 512 unchanged lines hidden ---