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Diffstat (limited to 'fs/jffs2/erase.c')
-rw-r--r--fs/jffs2/erase.c291
1 files changed, 174 insertions, 117 deletions
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c
index 787d84ac2bc..4a6cf289be2 100644
--- a/fs/jffs2/erase.c
+++ b/fs/jffs2/erase.c
@@ -1,16 +1,17 @@
/*
* JFFS2 -- Journalling Flash File System, Version 2.
*
- * Copyright (C) 2001-2003 Red Hat, Inc.
+ * Copyright © 2001-2007 Red Hat, Inc.
+ * Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
*
* Created by David Woodhouse <dwmw2@infradead.org>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: erase.c,v 1.80 2005/07/14 19:46:24 joern Exp $
- *
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/mtd/mtd.h>
@@ -24,13 +25,12 @@ struct erase_priv_struct {
struct jffs2_eraseblock *jeb;
struct jffs2_sb_info *c;
};
-
+
#ifndef __ECOS
static void jffs2_erase_callback(struct erase_info *);
#endif
static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_offset);
static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
-static void jffs2_free_all_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
static void jffs2_erase_block(struct jffs2_sb_info *c,
@@ -41,24 +41,27 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
#ifdef __ECOS
ret = jffs2_flash_erase(c, jeb);
if (!ret) {
- jffs2_erase_succeeded(c, jeb);
- return;
+ jffs2_erase_succeeded(c, jeb);
+ return;
}
bad_offset = jeb->offset;
#else /* Linux */
struct erase_info *instr;
- D1(printk(KERN_DEBUG "jffs2_erase_block(): erase block %#x (range %#x-%#x)\n", jeb->offset, jeb->offset, jeb->offset + c->sector_size));
+ jffs2_dbg(1, "%s(): erase block %#08x (range %#08x-%#08x)\n",
+ __func__,
+ jeb->offset, jeb->offset, jeb->offset + c->sector_size);
instr = kmalloc(sizeof(struct erase_info) + sizeof(struct erase_priv_struct), GFP_KERNEL);
if (!instr) {
- printk(KERN_WARNING "kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
+ pr_warn("kmalloc for struct erase_info in jffs2_erase_block failed. Refiling block for later\n");
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
return;
}
@@ -69,12 +72,11 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
instr->len = c->sector_size;
instr->callback = jffs2_erase_callback;
instr->priv = (unsigned long)(&instr[1]);
- instr->fail_addr = 0xffffffff;
-
+
((struct erase_priv_struct *)instr->priv)->jeb = jeb;
((struct erase_priv_struct *)instr->priv)->c = c;
- ret = c->mtd->erase(c->mtd, instr);
+ ret = mtd_erase(c->mtd, instr);
if (!ret)
return;
@@ -84,30 +86,35 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
if (ret == -ENOMEM || ret == -EAGAIN) {
/* Erase failed immediately. Refile it on the list */
- D1(printk(KERN_DEBUG "Erase at 0x%08x failed: %d. Refiling on erase_pending_list\n", jeb->offset, ret));
+ jffs2_dbg(1, "Erase at 0x%08x failed: %d. Refiling on erase_pending_list\n",
+ jeb->offset, ret);
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
return;
}
- if (ret == -EROFS)
- printk(KERN_WARNING "Erase at 0x%08x failed immediately: -EROFS. Is the sector locked?\n", jeb->offset);
+ if (ret == -EROFS)
+ pr_warn("Erase at 0x%08x failed immediately: -EROFS. Is the sector locked?\n",
+ jeb->offset);
else
- printk(KERN_WARNING "Erase at 0x%08x failed immediately: errno %d\n", jeb->offset, ret);
+ pr_warn("Erase at 0x%08x failed immediately: errno %d\n",
+ jeb->offset, ret);
jffs2_erase_failed(c, jeb, bad_offset);
}
-void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
+int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
{
struct jffs2_eraseblock *jeb;
+ int work_done = 0;
- down(&c->erase_free_sem);
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
@@ -116,18 +123,21 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
if (!list_empty(&c->erase_complete_list)) {
jeb = list_entry(c->erase_complete_list.next, struct jffs2_eraseblock, list);
- list_del(&jeb->list);
+ list_move(&jeb->list, &c->erase_checking_list);
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
jffs2_mark_erased_block(c, jeb);
+ work_done++;
if (!--count) {
- D1(printk(KERN_DEBUG "Count reached. jffs2_erase_pending_blocks leaving\n"));
+ jffs2_dbg(1, "Count reached. jffs2_erase_pending_blocks leaving\n");
goto done;
}
} else if (!list_empty(&c->erase_pending_list)) {
jeb = list_entry(c->erase_pending_list.next, struct jffs2_eraseblock, list);
- D1(printk(KERN_DEBUG "Starting erase of pending block 0x%08x\n", jeb->offset));
+ jffs2_dbg(1, "Starting erase of pending block 0x%08x\n",
+ jeb->offset);
list_del(&jeb->list);
c->erasing_size += c->sector_size;
c->wasted_size -= jeb->wasted_size;
@@ -135,9 +145,10 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
c->used_size -= jeb->used_size;
c->dirty_size -= jeb->dirty_size;
jeb->wasted_size = jeb->used_size = jeb->dirty_size = jeb->free_size = 0;
- jffs2_free_all_node_refs(c, jeb);
+ jffs2_free_jeb_node_refs(c, jeb);
list_add(&jeb->list, &c->erasing_list);
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
jffs2_erase_block(c, jeb);
@@ -147,56 +158,61 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
/* Be nice */
cond_resched();
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
}
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
done:
- D1(printk(KERN_DEBUG "jffs2_erase_pending_blocks completed\n"));
-
- up(&c->erase_free_sem);
+ jffs2_dbg(1, "jffs2_erase_pending_blocks completed\n");
+ return work_done;
}
static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
{
- D1(printk(KERN_DEBUG "Erase completed successfully at 0x%08x\n", jeb->offset));
+ jffs2_dbg(1, "Erase completed successfully at 0x%08x\n", jeb->offset);
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add_tail(&jeb->list, &c->erase_complete_list);
+ list_move_tail(&jeb->list, &c->erase_complete_list);
+ /* Wake the GC thread to mark them clean */
+ jffs2_garbage_collect_trigger(c);
spin_unlock(&c->erase_completion_lock);
- /* Ensure that kupdated calls us again to mark them clean */
- jffs2_erase_pending_trigger(c);
+ mutex_unlock(&c->erase_free_sem);
+ wake_up(&c->erase_wait);
}
static void jffs2_erase_failed(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_offset)
{
/* For NAND, if the failure did not occur at the device level for a
specific physical page, don't bother updating the bad block table. */
- if (jffs2_cleanmarker_oob(c) && (bad_offset != 0xffffffff)) {
+ if (jffs2_cleanmarker_oob(c) && (bad_offset != (uint32_t)MTD_FAIL_ADDR_UNKNOWN)) {
/* We had a device-level failure to erase. Let's see if we've
failed too many times. */
if (!jffs2_write_nand_badblock(c, jeb, bad_offset)) {
/* We'd like to give this block another try. */
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
- list_del(&jeb->list);
- list_add(&jeb->list, &c->erase_pending_list);
+ list_move(&jeb->list, &c->erase_pending_list);
c->erasing_size -= c->sector_size;
c->dirty_size += c->sector_size;
jeb->dirty_size = c->sector_size;
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
return;
}
}
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
c->erasing_size -= c->sector_size;
c->bad_size += c->sector_size;
- list_del(&jeb->list);
- list_add(&jeb->list, &c->bad_list);
+ list_move(&jeb->list, &c->bad_list);
c->nr_erasing_blocks--;
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
wake_up(&c->erase_wait);
-}
+}
#ifndef __ECOS
static void jffs2_erase_callback(struct erase_info *instr)
@@ -204,11 +220,12 @@ static void jffs2_erase_callback(struct erase_info *instr)
struct erase_priv_struct *priv = (void *)instr->priv;
if(instr->state != MTD_ERASE_DONE) {
- printk(KERN_WARNING "Erase at 0x%08x finished, but state != MTD_ERASE_DONE. State is 0x%x instead.\n", instr->addr, instr->state);
+ pr_warn("Erase at 0x%08llx finished, but state != MTD_ERASE_DONE. State is 0x%x instead.\n",
+ (unsigned long long)instr->addr, instr->state);
jffs2_erase_failed(priv->c, priv->jeb, instr->fail_addr);
} else {
jffs2_erase_succeeded(priv->c, priv->jeb);
- }
+ }
kfree(instr);
}
#endif /* !__ECOS */
@@ -226,13 +243,13 @@ static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c,
/* Walk the inode's list once, removing any nodes from this eraseblock */
while (1) {
if (!(*prev)->next_in_ino) {
- /* We're looking at the jffs2_inode_cache, which is
+ /* We're looking at the jffs2_inode_cache, which is
at the end of the linked list. Stash it and continue
from the beginning of the list */
ic = (struct jffs2_inode_cache *)(*prev);
prev = &ic->nodes;
continue;
- }
+ }
if (SECTOR_ADDR((*prev)->flash_offset) == jeb->offset) {
/* It's in the block we're erasing */
@@ -253,51 +270,71 @@ static inline void jffs2_remove_node_refs_from_ino_list(struct jffs2_sb_info *c,
/* PARANOIA */
if (!ic) {
- printk(KERN_WARNING "inode_cache not found in remove_node_refs()!!\n");
+ JFFS2_WARNING("inode_cache/xattr_datum/xattr_ref"
+ " not found in remove_node_refs()!!\n");
return;
}
- D1(printk(KERN_DEBUG "Removed nodes in range 0x%08x-0x%08x from ino #%u\n",
- jeb->offset, jeb->offset + c->sector_size, ic->ino));
+ jffs2_dbg(1, "Removed nodes in range 0x%08x-0x%08x from ino #%u\n",
+ jeb->offset, jeb->offset + c->sector_size, ic->ino);
D2({
int i=0;
struct jffs2_raw_node_ref *this;
- printk(KERN_DEBUG "After remove_node_refs_from_ino_list: \n" KERN_DEBUG);
+ printk(KERN_DEBUG "After remove_node_refs_from_ino_list: \n");
this = ic->nodes;
-
+
+ printk(KERN_DEBUG);
while(this) {
- printk( "0x%08x(%d)->", ref_offset(this), ref_flags(this));
+ pr_cont("0x%08x(%d)->",
+ ref_offset(this), ref_flags(this));
if (++i == 5) {
- printk("\n" KERN_DEBUG);
+ printk(KERN_DEBUG);
i=0;
}
this = this->next_in_ino;
}
- printk("\n");
+ pr_cont("\n");
});
- if (ic->nodes == (void *)ic && ic->nlink == 0)
- jffs2_del_ino_cache(c, ic);
+ switch (ic->class) {
+#ifdef CONFIG_JFFS2_FS_XATTR
+ case RAWNODE_CLASS_XATTR_DATUM:
+ jffs2_release_xattr_datum(c, (struct jffs2_xattr_datum *)ic);
+ break;
+ case RAWNODE_CLASS_XATTR_REF:
+ jffs2_release_xattr_ref(c, (struct jffs2_xattr_ref *)ic);
+ break;
+#endif
+ default:
+ if (ic->nodes == (void *)ic && ic->pino_nlink == 0)
+ jffs2_del_ino_cache(c, ic);
+ }
}
-static void jffs2_free_all_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
+void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
{
- struct jffs2_raw_node_ref *ref;
- D1(printk(KERN_DEBUG "Freeing all node refs for eraseblock offset 0x%08x\n", jeb->offset));
- while(jeb->first_node) {
- ref = jeb->first_node;
- jeb->first_node = ref->next_phys;
-
- /* Remove from the inode-list */
- if (ref->next_in_ino)
+ struct jffs2_raw_node_ref *block, *ref;
+ jffs2_dbg(1, "Freeing all node refs for eraseblock offset 0x%08x\n",
+ jeb->offset);
+
+ block = ref = jeb->first_node;
+
+ while (ref) {
+ if (ref->flash_offset == REF_LINK_NODE) {
+ ref = ref->next_in_ino;
+ jffs2_free_refblock(block);
+ block = ref;
+ continue;
+ }
+ if (ref->flash_offset != REF_EMPTY_NODE && ref->next_in_ino)
jffs2_remove_node_refs_from_ino_list(c, ref, jeb);
/* else it was a non-inode node or already removed, so don't bother */
- jffs2_free_raw_node_ref(ref);
+ ref++;
}
- jeb->last_node = NULL;
+ jeb->first_node = jeb->last_node = NULL;
}
static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t *bad_offset)
@@ -305,15 +342,48 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
void *ebuf;
uint32_t ofs;
size_t retlen;
- int ret = -EIO;
-
+ int ret;
+ unsigned long *wordebuf;
+
+ ret = mtd_point(c->mtd, jeb->offset, c->sector_size, &retlen,
+ &ebuf, NULL);
+ if (ret != -EOPNOTSUPP) {
+ if (ret) {
+ jffs2_dbg(1, "MTD point failed %d\n", ret);
+ goto do_flash_read;
+ }
+ if (retlen < c->sector_size) {
+ /* Don't muck about if it won't let us point to the whole erase sector */
+ jffs2_dbg(1, "MTD point returned len too short: 0x%zx\n",
+ retlen);
+ mtd_unpoint(c->mtd, jeb->offset, retlen);
+ goto do_flash_read;
+ }
+ wordebuf = ebuf-sizeof(*wordebuf);
+ retlen /= sizeof(*wordebuf);
+ do {
+ if (*++wordebuf != ~0)
+ break;
+ } while(--retlen);
+ mtd_unpoint(c->mtd, jeb->offset, c->sector_size);
+ if (retlen) {
+ pr_warn("Newly-erased block contained word 0x%lx at offset 0x%08tx\n",
+ *wordebuf,
+ jeb->offset +
+ c->sector_size-retlen * sizeof(*wordebuf));
+ return -EIO;
+ }
+ return 0;
+ }
+ do_flash_read:
ebuf = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (!ebuf) {
- printk(KERN_WARNING "Failed to allocate page buffer for verifying erase at 0x%08x. Refiling\n", jeb->offset);
+ pr_warn("Failed to allocate page buffer for verifying erase at 0x%08x. Refiling\n",
+ jeb->offset);
return -EAGAIN;
}
- D1(printk(KERN_DEBUG "Verifying erase at 0x%08x\n", jeb->offset));
+ jffs2_dbg(1, "Verifying erase at 0x%08x\n", jeb->offset);
for (ofs = jeb->offset; ofs < jeb->offset + c->sector_size; ) {
uint32_t readlen = min((uint32_t)PAGE_SIZE, jeb->offset + c->sector_size - ofs);
@@ -321,13 +391,17 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
*bad_offset = ofs;
- ret = jffs2_flash_read(c, ofs, readlen, &retlen, ebuf);
+ ret = mtd_read(c->mtd, ofs, readlen, &retlen, ebuf);
if (ret) {
- printk(KERN_WARNING "Read of newly-erased block at 0x%08x failed: %d. Putting on bad_list\n", ofs, ret);
+ pr_warn("Read of newly-erased block at 0x%08x failed: %d. Putting on bad_list\n",
+ ofs, ret);
+ ret = -EIO;
goto fail;
}
if (retlen != readlen) {
- printk(KERN_WARNING "Short read from newly-erased block at 0x%08x. Wanted %d, got %zd\n", ofs, readlen, retlen);
+ pr_warn("Short read from newly-erased block at 0x%08x. Wanted %d, got %zd\n",
+ ofs, readlen, retlen);
+ ret = -EIO;
goto fail;
}
for (i=0; i<readlen; i += sizeof(unsigned long)) {
@@ -335,7 +409,9 @@ static int jffs2_block_check_erase(struct jffs2_sb_info *c, struct jffs2_erasebl
unsigned long *datum = ebuf + i;
if (*datum + 1) {
*bad_offset += i;
- printk(KERN_WARNING "Newly-erased block contained word 0x%lx at offset 0x%08x\n", *datum, *bad_offset);
+ pr_warn("Newly-erased block contained word 0x%lx at offset 0x%08x\n",
+ *datum, *bad_offset);
+ ret = -EIO;
goto fail;
}
}
@@ -350,18 +426,17 @@ fail:
static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)
{
- struct jffs2_raw_node_ref *marker_ref = NULL;
size_t retlen;
int ret;
- uint32_t bad_offset;
+ uint32_t uninitialized_var(bad_offset);
switch (jffs2_block_check_erase(c, jeb, &bad_offset)) {
case -EAGAIN: goto refile;
case -EIO: goto filebad;
}
- /* Write the erase complete marker */
- D1(printk(KERN_DEBUG "Writing erased marker to block at 0x%08x\n", jeb->offset));
+ /* Write the erase complete marker */
+ jffs2_dbg(1, "Writing erased marker to block at 0x%08x\n", jeb->offset);
bad_offset = jeb->offset;
/* Cleanmarker in oob area or no cleanmarker at all ? */
@@ -371,13 +446,6 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
if (jffs2_write_nand_cleanmarker(c, jeb))
goto filebad;
}
-
- jeb->first_node = jeb->last_node = NULL;
- jeb->free_size = c->sector_size;
- jeb->used_size = 0;
- jeb->dirty_size = 0;
- jeb->wasted_size = 0;
-
} else {
struct kvec vecs[1];
@@ -387,72 +455,61 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
.totlen = cpu_to_je32(c->cleanmarker_size)
};
- marker_ref = jffs2_alloc_raw_node_ref();
- if (!marker_ref) {
- printk(KERN_WARNING "Failed to allocate raw node ref for clean marker. Refiling\n");
- goto refile;
- }
+ jffs2_prealloc_raw_node_refs(c, jeb, 1);
marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));
vecs[0].iov_base = (unsigned char *) &marker;
vecs[0].iov_len = sizeof(marker);
ret = jffs2_flash_direct_writev(c, vecs, 1, jeb->offset, &retlen);
-
+
if (ret || retlen != sizeof(marker)) {
if (ret)
- printk(KERN_WARNING "Write clean marker to block at 0x%08x failed: %d\n",
+ pr_warn("Write clean marker to block at 0x%08x failed: %d\n",
jeb->offset, ret);
else
- printk(KERN_WARNING "Short write to newly-erased block at 0x%08x: Wanted %zd, got %zd\n",
+ pr_warn("Short write to newly-erased block at 0x%08x: Wanted %zd, got %zd\n",
jeb->offset, sizeof(marker), retlen);
- jffs2_free_raw_node_ref(marker_ref);
goto filebad;
}
-
- marker_ref->next_in_ino = NULL;
- marker_ref->next_phys = NULL;
- marker_ref->flash_offset = jeb->offset | REF_NORMAL;
- marker_ref->__totlen = c->cleanmarker_size;
-
- jeb->first_node = jeb->last_node = marker_ref;
-
- jeb->free_size = c->sector_size - c->cleanmarker_size;
- jeb->used_size = c->cleanmarker_size;
- jeb->dirty_size = 0;
- jeb->wasted_size = 0;
}
+ /* Everything else got zeroed before the erase */
+ jeb->free_size = c->sector_size;
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
+
c->erasing_size -= c->sector_size;
- c->free_size += jeb->free_size;
- c->used_size += jeb->used_size;
+ c->free_size += c->sector_size;
- ACCT_SANITY_CHECK(c,jeb);
- D1(ACCT_PARANOIA_CHECK(jeb));
+ /* Account for cleanmarker now, if it's in-band */
+ if (c->cleanmarker_size && !jffs2_cleanmarker_oob(c))
+ jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL, c->cleanmarker_size, NULL);
- list_add_tail(&jeb->list, &c->free_list);
+ list_move_tail(&jeb->list, &c->free_list);
c->nr_erasing_blocks--;
c->nr_free_blocks++;
+
+ jffs2_dbg_acct_sanity_check_nolock(c, jeb);
+ jffs2_dbg_acct_paranoia_check_nolock(c, jeb);
+
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
wake_up(&c->erase_wait);
return;
filebad:
- spin_lock(&c->erase_completion_lock);
- /* Stick it on a list (any list) so erase_failed can take it
- right off again. Silly, but shouldn't happen often. */
- list_add(&jeb->list, &c->erasing_list);
- spin_unlock(&c->erase_completion_lock);
jffs2_erase_failed(c, jeb, bad_offset);
return;
refile:
/* Stick it back on the list from whence it came and come back later */
- jffs2_erase_pending_trigger(c);
+ mutex_lock(&c->erase_free_sem);
spin_lock(&c->erase_completion_lock);
- list_add(&jeb->list, &c->erase_complete_list);
+ jffs2_garbage_collect_trigger(c);
+ list_move(&jeb->list, &c->erase_complete_list);
spin_unlock(&c->erase_completion_lock);
+ mutex_unlock(&c->erase_free_sem);
return;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 19:03:08 +0000