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authorThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 12:37:31 +0200
committerThomas Gleixner <tglx@cruncher.tec.linutronix.de>2006-05-23 12:37:31 +0200
commit4cbb9b80e171107c6c34116283fe38e5a396c68b (patch)
tree9463f2e4774f14752cf4bb52431e14e569256f72 /fs/jffs2/wbuf.c
parent6dfc6d250d0b7ebaa6423c44dcd09fcfe68deabd (diff)
parent9fe4854cd1f60273f9a3ece053f4789605f58a5e (diff)
downloadlinux-linaro-4cbb9b80e171107c6c34116283fe38e5a396c68b.tar.gz
Merge branch 'master' of /home/tglx/work/kernel/git/mtd-2.6/
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/jffs2/wbuf.c')
-rw-r--r--fs/jffs2/wbuf.c52
1 files changed, 10 insertions, 42 deletions
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 0442a5753d3..916c87d3393 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -265,12 +265,14 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
/* ... and get an allocation of space from a shiny new block instead */
- ret = jffs2_reserve_space_gc(c, end-start, &ofs, &len, JFFS2_SUMMARY_NOSUM_SIZE);
+ ret = jffs2_reserve_space_gc(c, end-start, &len, JFFS2_SUMMARY_NOSUM_SIZE);
if (ret) {
printk(KERN_WARNING "Failed to allocate space for wbuf recovery. Data loss ensues.\n");
kfree(buf);
return;
}
+ ofs = write_ofs(c);
+
if (end-start >= c->wbuf_pagesize) {
/* Need to do another write immediately, but it's possible
that this is just because the wbuf itself is completely
@@ -312,9 +314,8 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
return;
raw2->flash_offset = ofs | REF_OBSOLETE;
- raw2->next_in_ino = NULL;
- jffs2_add_physical_node_ref(c, raw2, ref_totlen(c, jeb, *first_raw));
+ jffs2_add_physical_node_ref(c, raw2, ref_totlen(c, jeb, *first_raw), NULL);
}
return;
}
@@ -507,11 +508,10 @@ static int __jffs2_flush_wbuf(struct jffs2_sb_info *c, int pad)
return -ENOMEM;
ref->flash_offset = c->wbuf_ofs + c->wbuf_len;
ref->flash_offset |= REF_OBSOLETE;
- ref->next_in_ino = NULL;
spin_lock(&c->erase_completion_lock);
- jffs2_link_node_ref(c, jeb, ref, waste);
+ jffs2_link_node_ref(c, jeb, ref, waste, NULL);
/* FIXME: that made it count as dirty. Convert to wasted */
jeb->dirty_size -= waste;
c->dirty_size -= waste;
@@ -650,19 +650,6 @@ int jffs2_flash_writev(struct jffs2_sb_info *c, const struct kvec *invecs,
}
/*
- * Fixup the wbuf if we are moving to a new eraseblock. The
- * checks below fail for ECC'd NOR because cleanmarker == 16,
- * so a block starts at xxx0010.
- */
- if (jffs2_nor_ecc(c)) {
- if (((c->wbuf_ofs % c->sector_size) == 0) && !c->wbuf_len) {
- c->wbuf_ofs = PAGE_DIV(to);
- c->wbuf_len = PAGE_MOD(to);
- memset(c->wbuf,0xff,c->wbuf_pagesize);
- }
- }
-
- /*
* Sanity checks on target address. It's permitted to write
* at PAD(c->wbuf_len+c->wbuf_ofs), and it's permitted to
* write at the beginning of a new erase block. Anything else,
@@ -1107,7 +1094,7 @@ int jffs2_nand_flash_setup(struct jffs2_sb_info *c)
/* Initialise write buffer */
init_rwsem(&c->wbuf_sem);
- c->wbuf_pagesize = c->mtd->oobblock;
+ c->wbuf_pagesize = c->mtd->writesize;
c->wbuf_ofs = 0xFFFFFFFF;
c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
@@ -1178,33 +1165,14 @@ void jffs2_dataflash_cleanup(struct jffs2_sb_info *c) {
kfree(c->wbuf);
}
-int jffs2_nor_ecc_flash_setup(struct jffs2_sb_info *c) {
- /* Cleanmarker is actually larger on the flashes */
- c->cleanmarker_size = 16;
-
- /* Initialize write buffer */
- init_rwsem(&c->wbuf_sem);
- c->wbuf_pagesize = c->mtd->eccsize;
- c->wbuf_ofs = 0xFFFFFFFF;
-
- c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
- if (!c->wbuf)
- return -ENOMEM;
-
- return 0;
-}
-
-void jffs2_nor_ecc_flash_cleanup(struct jffs2_sb_info *c) {
- kfree(c->wbuf);
-}
-
int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c) {
- /* Cleanmarker currently occupies a whole programming region */
- c->cleanmarker_size = MTD_PROGREGION_SIZE(c->mtd);
+ /* Cleanmarker currently occupies whole programming regions,
+ * either one or 2 for 8Byte STMicro flashes. */
+ c->cleanmarker_size = max(16u, c->mtd->writesize);
/* Initialize write buffer */
init_rwsem(&c->wbuf_sem);
- c->wbuf_pagesize = MTD_PROGREGION_SIZE(c->mtd);
+ c->wbuf_pagesize = c->mtd->writesize;
c->wbuf_ofs = 0xFFFFFFFF;
c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);