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-rw-r--r--fs/jffs2/build.c6
-rw-r--r--fs/jffs2/fs.c19
-rw-r--r--fs/jffs2/nodelist.h7
-rw-r--r--fs/jffs2/super.c4
4 files changed, 13 insertions, 23 deletions
diff --git a/fs/jffs2/build.c b/fs/jffs2/build.c
index 8e2f1f4e8aa3..1522eace932e 100644
--- a/fs/jffs2/build.c
+++ b/fs/jffs2/build.c
@@ -7,7 +7,7 @@
7 * 7 *
8 * For licensing information, see the file 'LICENCE' in this directory. 8 * For licensing information, see the file 'LICENCE' in this directory.
9 * 9 *
10 * $Id: build.c,v 1.76 2005/07/30 15:29:27 lunn Exp $ 10 * $Id: build.c,v 1.77 2005/08/31 13:51:00 havasi Exp $
11 * 11 *
12 */ 12 */
13 13
@@ -318,7 +318,7 @@ int jffs2_do_mount_fs(struct jffs2_sb_info *c)
318 c->free_size = c->flash_size; 318 c->free_size = c->flash_size;
319 c->nr_blocks = c->flash_size / c->sector_size; 319 c->nr_blocks = c->flash_size / c->sector_size;
320#ifndef __ECOS 320#ifndef __ECOS
321 if (c->mtd->flags & MTD_NO_VIRTBLOCKS) 321 if (jffs2_blocks_use_vmalloc(c))
322 c->blocks = vmalloc(sizeof(struct jffs2_eraseblock) * c->nr_blocks); 322 c->blocks = vmalloc(sizeof(struct jffs2_eraseblock) * c->nr_blocks);
323 else 323 else
324#endif 324#endif
@@ -356,7 +356,7 @@ int jffs2_do_mount_fs(struct jffs2_sb_info *c)
356 jffs2_free_ino_caches(c); 356 jffs2_free_ino_caches(c);
357 jffs2_free_raw_node_refs(c); 357 jffs2_free_raw_node_refs(c);
358#ifndef __ECOS 358#ifndef __ECOS
359 if (c->mtd->flags & MTD_NO_VIRTBLOCKS) 359 if (jffs2_blocks_use_vmalloc(c))
360 vfree(c->blocks); 360 vfree(c->blocks);
361 else 361 else
362#endif 362#endif
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 79b4bdc76f7a..c99451ae4b77 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -7,7 +7,7 @@
7 * 7 *
8 * For licensing information, see the file 'LICENCE' in this directory. 8 * For licensing information, see the file 'LICENCE' in this directory.
9 * 9 *
10 * $Id: fs.c,v 1.62 2005/08/06 04:51:30 nico Exp $ 10 * $Id: fs.c,v 1.64 2005/09/01 08:42:31 havasi Exp $
11 * 11 *
12 */ 12 */
13 13
@@ -457,19 +457,8 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
457#endif 457#endif
458 458
459 c->flash_size = c->mtd->size; 459 c->flash_size = c->mtd->size;
460
461 /*
462 * Check, if we have to concatenate physical blocks to larger virtual blocks
463 * to reduce the memorysize for c->blocks. (kmalloc allows max. 128K allocation)
464 */
465 c->sector_size = c->mtd->erasesize; 460 c->sector_size = c->mtd->erasesize;
466 blocks = c->flash_size / c->sector_size; 461 blocks = c->flash_size / c->sector_size;
467 if (!(c->mtd->flags & MTD_NO_VIRTBLOCKS)) {
468 while ((blocks * sizeof (struct jffs2_eraseblock)) > (128 * 1024)) {
469 blocks >>= 1;
470 c->sector_size <<= 1;
471 }
472 }
473 462
474 /* 463 /*
475 * Size alignment check 464 * Size alignment check
@@ -480,10 +469,6 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
480 c->flash_size / 1024); 469 c->flash_size / 1024);
481 } 470 }
482 471
483 if (c->sector_size != c->mtd->erasesize)
484 printk(KERN_INFO "jffs2: Erase block size too small (%dKiB). Using virtual blocks size (%dKiB) instead\n",
485 c->mtd->erasesize / 1024, c->sector_size / 1024);
486
487 if (c->flash_size < 5*c->sector_size) { 472 if (c->flash_size < 5*c->sector_size) {
488 printk(KERN_ERR "jffs2: Too few erase blocks (%d)\n", c->flash_size / c->sector_size); 473 printk(KERN_ERR "jffs2: Too few erase blocks (%d)\n", c->flash_size / c->sector_size);
489 return -EINVAL; 474 return -EINVAL;
@@ -533,7 +518,7 @@ int jffs2_do_fill_super(struct super_block *sb, void *data, int silent)
533 iput(root_i); 518 iput(root_i);
534 jffs2_free_ino_caches(c); 519 jffs2_free_ino_caches(c);
535 jffs2_free_raw_node_refs(c); 520 jffs2_free_raw_node_refs(c);
536 if (c->mtd->flags & MTD_NO_VIRTBLOCKS) 521 if (jffs2_blocks_use_vmalloc(c))
537 vfree(c->blocks); 522 vfree(c->blocks);
538 else 523 else
539 kfree(c->blocks); 524 kfree(c->blocks);
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index ce47d5530a70..1533af8b3959 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -7,7 +7,7 @@
7 * 7 *
8 * For licensing information, see the file 'LICENCE' in this directory. 8 * For licensing information, see the file 'LICENCE' in this directory.
9 * 9 *
10 * $Id: nodelist.h,v 1.138 2005/08/17 13:46:23 dedekind Exp $ 10 * $Id: nodelist.h,v 1.139 2005/08/31 13:51:00 havasi Exp $
11 * 11 *
12 */ 12 */
13 13
@@ -197,6 +197,11 @@ struct jffs2_eraseblock
197 struct jffs2_raw_node_ref *gc_node; /* Next node to be garbage collected */ 197 struct jffs2_raw_node_ref *gc_node; /* Next node to be garbage collected */
198}; 198};
199 199
200static inline int jffs2_blocks_use_vmalloc(struct jffs2_sb_info *c)
201{
202 return ((c->flash_size / c->sector_size) * sizeof (struct jffs2_eraseblock)) > (128 * 1024);
203}
204
200/* Calculate totlen from surrounding nodes or eraseblock */ 205/* Calculate totlen from surrounding nodes or eraseblock */
201static inline uint32_t __ref_totlen(struct jffs2_sb_info *c, 206static inline uint32_t __ref_totlen(struct jffs2_sb_info *c,
202 struct jffs2_eraseblock *jeb, 207 struct jffs2_eraseblock *jeb,
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index aaf9475cfb6a..58496a03a1d2 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -7,7 +7,7 @@
7 * 7 *
8 * For licensing information, see the file 'LICENCE' in this directory. 8 * For licensing information, see the file 'LICENCE' in this directory.
9 * 9 *
10 * $Id: super.c,v 1.107 2005/07/12 16:37:08 dedekind Exp $ 10 * $Id: super.c,v 1.108 2005/08/31 13:51:00 havasi Exp $
11 * 11 *
12 */ 12 */
13 13
@@ -284,7 +284,7 @@ static void jffs2_put_super (struct super_block *sb)
284 up(&c->alloc_sem); 284 up(&c->alloc_sem);
285 jffs2_free_ino_caches(c); 285 jffs2_free_ino_caches(c);
286 jffs2_free_raw_node_refs(c); 286 jffs2_free_raw_node_refs(c);
287 if (c->mtd->flags & MTD_NO_VIRTBLOCKS) 287 if (jffs2_blocks_use_vmalloc(c))
288 vfree(c->blocks); 288 vfree(c->blocks);
289 else 289 else
290 kfree(c->blocks); 290 kfree(c->blocks);