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authorLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 14:50:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-20 14:50:31 -0700
commitbe967b7e2f7747a5ebf2a07ee627d9338491e784 (patch)
treef42b82601209a52b8ee478e36d8b21543ab03060 /fs/jffs2/summary.c
parentMerge master.kernel.org:/home/rmk/linux-2.6-serial (diff)
parent[MTD] NAND: Fix breakage all over the place (diff)
downloadlinux-dev-be967b7e2f7747a5ebf2a07ee627d9338491e784.tar.xz
linux-dev-be967b7e2f7747a5ebf2a07ee627d9338491e784.zip
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (199 commits) [MTD] NAND: Fix breakage all over the place [PATCH] NAND: fix remaining OOB length calculation [MTD] NAND Fixup NDFC merge brokeness [MTD NAND] S3C2410 driver cleanup [MTD NAND] s3c24x0 board: Fix clock handling, ensure proper initialisation. [JFFS2] Check CRC32 on dirent and data nodes each time they're read [JFFS2] When retiring nextblock, allocate a node_ref for the wasted space [JFFS2] Mark XATTR support as experimental, for now [JFFS2] Don't trust node headers before the CRC is checked. [MTD] Restore MTD_ROM and MTD_RAM types [MTD] assume mtd->writesize is 1 for NOR flashes [MTD NAND] Fix s3c2410 NAND driver so it at least _looks_ like it compiles [MTD] Prepare physmap for 64-bit-resources [JFFS2] Fix more breakage caused by janitorial meddling. [JFFS2] Remove stray __exit from jffs2_compressors_exit() [MTD] Allow alternate JFFS2 mount variant for root filesystem. [MTD] Disconnect struct mtd_info from ABI [MTD] replace MTD_RAM with MTD_GENERIC_TYPE [MTD] replace MTD_ROM with MTD_GENERIC_TYPE [MTD] remove a forgotten MTD_XIP ...
Diffstat (limited to 'fs/jffs2/summary.c')
-rw-r--r--fs/jffs2/summary.c484
1 files changed, 303 insertions, 181 deletions
diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
index fb9cec61fcf2..0b02fc79e4d1 100644
--- a/fs/jffs2/summary.c
+++ b/fs/jffs2/summary.c
@@ -5,6 +5,7 @@
* Zoltan Sogor <weth@inf.u-szeged.hu>,
* Patrik Kluba <pajko@halom.u-szeged.hu>,
* University of Szeged, Hungary
+ * 2005 KaiGai Kohei <kaigai@ak.jp.nec.com>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
@@ -81,6 +82,19 @@ static int jffs2_sum_add_mem(struct jffs2_summary *s, union jffs2_sum_mem *item)
dbg_summary("dirent (%u) added to summary\n",
je32_to_cpu(item->d.ino));
break;
+#ifdef CONFIG_JFFS2_FS_XATTR
+ case JFFS2_NODETYPE_XATTR:
+ s->sum_size += JFFS2_SUMMARY_XATTR_SIZE;
+ s->sum_num++;
+ dbg_summary("xattr (xid=%u, version=%u) added to summary\n",
+ je32_to_cpu(item->x.xid), je32_to_cpu(item->x.version));
+ break;
+ case JFFS2_NODETYPE_XREF:
+ s->sum_size += JFFS2_SUMMARY_XREF_SIZE;
+ s->sum_num++;
+ dbg_summary("xref added to summary\n");
+ break;
+#endif
default:
JFFS2_WARNING("UNKNOWN node type %u\n",
je16_to_cpu(item->u.nodetype));
@@ -141,6 +155,40 @@ int jffs2_sum_add_dirent_mem(struct jffs2_summary *s, struct jffs2_raw_dirent *r
return jffs2_sum_add_mem(s, (union jffs2_sum_mem *)temp);
}
+#ifdef CONFIG_JFFS2_FS_XATTR
+int jffs2_sum_add_xattr_mem(struct jffs2_summary *s, struct jffs2_raw_xattr *rx, uint32_t ofs)
+{
+ struct jffs2_sum_xattr_mem *temp;
+
+ temp = kmalloc(sizeof(struct jffs2_sum_xattr_mem), GFP_KERNEL);
+ if (!temp)
+ return -ENOMEM;
+
+ temp->nodetype = rx->nodetype;
+ temp->xid = rx->xid;
+ temp->version = rx->version;
+ temp->offset = cpu_to_je32(ofs);
+ temp->totlen = rx->totlen;
+ temp->next = NULL;
+
+ return jffs2_sum_add_mem(s, (union jffs2_sum_mem *)temp);
+}
+
+int jffs2_sum_add_xref_mem(struct jffs2_summary *s, struct jffs2_raw_xref *rr, uint32_t ofs)
+{
+ struct jffs2_sum_xref_mem *temp;
+
+ temp = kmalloc(sizeof(struct jffs2_sum_xref_mem), GFP_KERNEL);
+ if (!temp)
+ return -ENOMEM;
+
+ temp->nodetype = rr->nodetype;
+ temp->offset = cpu_to_je32(ofs);
+ temp->next = NULL;
+
+ return jffs2_sum_add_mem(s, (union jffs2_sum_mem *)temp);
+}
+#endif
/* Cleanup every collected summary information */
static void jffs2_sum_clean_collected(struct jffs2_summary *s)
@@ -259,7 +307,40 @@ int jffs2_sum_add_kvec(struct jffs2_sb_info *c, const struct kvec *invecs,
return jffs2_sum_add_mem(c->summary, (union jffs2_sum_mem *)temp);
}
+#ifdef CONFIG_JFFS2_FS_XATTR
+ case JFFS2_NODETYPE_XATTR: {
+ struct jffs2_sum_xattr_mem *temp;
+ if (je32_to_cpu(node->x.version) == 0xffffffff)
+ return 0;
+ temp = kmalloc(sizeof(struct jffs2_sum_xattr_mem), GFP_KERNEL);
+ if (!temp)
+ goto no_mem;
+
+ temp->nodetype = node->x.nodetype;
+ temp->xid = node->x.xid;
+ temp->version = node->x.version;
+ temp->totlen = node->x.totlen;
+ temp->offset = cpu_to_je32(ofs);
+ temp->next = NULL;
+
+ return jffs2_sum_add_mem(c->summary, (union jffs2_sum_mem *)temp);
+ }
+ case JFFS2_NODETYPE_XREF: {
+ struct jffs2_sum_xref_mem *temp;
+
+ if (je32_to_cpu(node->r.ino) == 0xffffffff
+ && je32_to_cpu(node->r.xid) == 0xffffffff)
+ return 0;
+ temp = kmalloc(sizeof(struct jffs2_sum_xref_mem), GFP_KERNEL);
+ if (!temp)
+ goto no_mem;
+ temp->nodetype = node->r.nodetype;
+ temp->offset = cpu_to_je32(ofs);
+ temp->next = NULL;
+ return jffs2_sum_add_mem(c->summary, (union jffs2_sum_mem *)temp);
+ }
+#endif
case JFFS2_NODETYPE_PADDING:
dbg_summary("node PADDING\n");
c->summary->sum_padded += je32_to_cpu(node->u.totlen);
@@ -288,23 +369,41 @@ no_mem:
return -ENOMEM;
}
+static struct jffs2_raw_node_ref *sum_link_node_ref(struct jffs2_sb_info *c,
+ struct jffs2_eraseblock *jeb,
+ uint32_t ofs, uint32_t len,
+ struct jffs2_inode_cache *ic)
+{
+ /* If there was a gap, mark it dirty */
+ if ((ofs & ~3) > c->sector_size - jeb->free_size) {
+ /* Ew. Summary doesn't actually tell us explicitly about dirty space */
+ jffs2_scan_dirty_space(c, jeb, (ofs & ~3) - (c->sector_size - jeb->free_size));
+ }
+
+ return jffs2_link_node_ref(c, jeb, jeb->offset + ofs, len, ic);
+}
/* Process the stored summary information - helper function for jffs2_sum_scan_sumnode() */
static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
struct jffs2_raw_summary *summary, uint32_t *pseudo_random)
{
- struct jffs2_raw_node_ref *raw;
struct jffs2_inode_cache *ic;
struct jffs2_full_dirent *fd;
void *sp;
int i, ino;
+ int err;
sp = summary->sum;
for (i=0; i<je32_to_cpu(summary->sum_num); i++) {
dbg_summary("processing summary index %d\n", i);
+ /* Make sure there's a spare ref for dirty space */
+ err = jffs2_prealloc_raw_node_refs(c, jeb, 2);
+ if (err)
+ return err;
+
switch (je16_to_cpu(((struct jffs2_sum_unknown_flash *)sp)->nodetype)) {
case JFFS2_NODETYPE_INODE: {
struct jffs2_sum_inode_flash *spi;
@@ -312,38 +411,20 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
ino = je32_to_cpu(spi->inode);
- dbg_summary("Inode at 0x%08x\n",
- jeb->offset + je32_to_cpu(spi->offset));
-
- raw = jffs2_alloc_raw_node_ref();
- if (!raw) {
- JFFS2_NOTICE("allocation of node reference failed\n");
- kfree(summary);
- return -ENOMEM;
- }
+ dbg_summary("Inode at 0x%08x-0x%08x\n",
+ jeb->offset + je32_to_cpu(spi->offset),
+ jeb->offset + je32_to_cpu(spi->offset) + je32_to_cpu(spi->totlen));
ic = jffs2_scan_make_ino_cache(c, ino);
if (!ic) {
JFFS2_NOTICE("scan_make_ino_cache failed\n");
- jffs2_free_raw_node_ref(raw);
- kfree(summary);
return -ENOMEM;
}
- raw->flash_offset = (jeb->offset + je32_to_cpu(spi->offset)) | REF_UNCHECKED;
- raw->__totlen = PAD(je32_to_cpu(spi->totlen));
- raw->next_phys = NULL;
- raw->next_in_ino = ic->nodes;
-
- ic->nodes = raw;
- if (!jeb->first_node)
- jeb->first_node = raw;
- if (jeb->last_node)
- jeb->last_node->next_phys = raw;
- jeb->last_node = raw;
- *pseudo_random += je32_to_cpu(spi->version);
+ sum_link_node_ref(c, jeb, je32_to_cpu(spi->offset) | REF_UNCHECKED,
+ PAD(je32_to_cpu(spi->totlen)), ic);
- UNCHECKED_SPACE(PAD(je32_to_cpu(spi->totlen)));
+ *pseudo_random += je32_to_cpu(spi->version);
sp += JFFS2_SUMMARY_INODE_SIZE;
@@ -354,52 +435,33 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
struct jffs2_sum_dirent_flash *spd;
spd = sp;
- dbg_summary("Dirent at 0x%08x\n",
- jeb->offset + je32_to_cpu(spd->offset));
+ dbg_summary("Dirent at 0x%08x-0x%08x\n",
+ jeb->offset + je32_to_cpu(spd->offset),
+ jeb->offset + je32_to_cpu(spd->offset) + je32_to_cpu(spd->totlen));
+
fd = jffs2_alloc_full_dirent(spd->nsize+1);
- if (!fd) {
- kfree(summary);
+ if (!fd)
return -ENOMEM;
- }
memcpy(&fd->name, spd->name, spd->nsize);
fd->name[spd->nsize] = 0;
- raw = jffs2_alloc_raw_node_ref();
- if (!raw) {
- jffs2_free_full_dirent(fd);
- JFFS2_NOTICE("allocation of node reference failed\n");
- kfree(summary);
- return -ENOMEM;
- }
-
ic = jffs2_scan_make_ino_cache(c, je32_to_cpu(spd->pino));
if (!ic) {
jffs2_free_full_dirent(fd);
- jffs2_free_raw_node_ref(raw);
- kfree(summary);
return -ENOMEM;
}
- raw->__totlen = PAD(je32_to_cpu(spd->totlen));
- raw->flash_offset = (jeb->offset + je32_to_cpu(spd->offset)) | REF_PRISTINE;
- raw->next_phys = NULL;
- raw->next_in_ino = ic->nodes;
- ic->nodes = raw;
- if (!jeb->first_node)
- jeb->first_node = raw;
- if (jeb->last_node)
- jeb->last_node->next_phys = raw;
- jeb->last_node = raw;
-
- fd->raw = raw;
+ fd->raw = sum_link_node_ref(c, jeb, je32_to_cpu(spd->offset) | REF_UNCHECKED,
+ PAD(je32_to_cpu(spd->totlen)), ic);
+
fd->next = NULL;
fd->version = je32_to_cpu(spd->version);
fd->ino = je32_to_cpu(spd->ino);
fd->nhash = full_name_hash(fd->name, spd->nsize);
fd->type = spd->type;
- USED_SPACE(PAD(je32_to_cpu(spd->totlen)));
+
jffs2_add_fd_to_list(c, fd, &ic->scan_dents);
*pseudo_random += je32_to_cpu(spd->version);
@@ -408,48 +470,105 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
break;
}
+#ifdef CONFIG_JFFS2_FS_XATTR
+ case JFFS2_NODETYPE_XATTR: {
+ struct jffs2_xattr_datum *xd;
+ struct jffs2_sum_xattr_flash *spx;
+
+ spx = (struct jffs2_sum_xattr_flash *)sp;
+ dbg_summary("xattr at %#08x-%#08x (xid=%u, version=%u)\n",
+ jeb->offset + je32_to_cpu(spx->offset),
+ jeb->offset + je32_to_cpu(spx->offset) + je32_to_cpu(spx->totlen),
+ je32_to_cpu(spx->xid), je32_to_cpu(spx->version));
+
+ xd = jffs2_setup_xattr_datum(c, je32_to_cpu(spx->xid),
+ je32_to_cpu(spx->version));
+ if (IS_ERR(xd)) {
+ if (PTR_ERR(xd) == -EEXIST) {
+ /* a newer version of xd exists */
+ if ((err = jffs2_scan_dirty_space(c, jeb, je32_to_cpu(spx->totlen))))
+ return err;
+ sp += JFFS2_SUMMARY_XATTR_SIZE;
+ break;
+ }
+ JFFS2_NOTICE("allocation of xattr_datum failed\n");
+ return PTR_ERR(xd);
+ }
+
+ xd->node = sum_link_node_ref(c, jeb, je32_to_cpu(spx->offset) | REF_UNCHECKED,
+ PAD(je32_to_cpu(spx->totlen)), NULL);
+ /* FIXME */ xd->node->next_in_ino = (void *)xd;
+
+ *pseudo_random += je32_to_cpu(spx->xid);
+ sp += JFFS2_SUMMARY_XATTR_SIZE;
+
+ break;
+ }
+ case JFFS2_NODETYPE_XREF: {
+ struct jffs2_xattr_ref *ref;
+ struct jffs2_sum_xref_flash *spr;
+
+ spr = (struct jffs2_sum_xref_flash *)sp;
+ dbg_summary("xref at %#08x-%#08x\n",
+ jeb->offset + je32_to_cpu(spr->offset),
+ jeb->offset + je32_to_cpu(spr->offset) +
+ (uint32_t)PAD(sizeof(struct jffs2_raw_xref)));
+
+ ref = jffs2_alloc_xattr_ref();
+ if (!ref) {
+ JFFS2_NOTICE("allocation of xattr_datum failed\n");
+ return -ENOMEM;
+ }
+ ref->ino = 0xfffffffe;
+ ref->xid = 0xfffffffd;
+ ref->next = c->xref_temp;
+ c->xref_temp = ref;
+ ref->node = sum_link_node_ref(c, jeb, je32_to_cpu(spr->offset) | REF_UNCHECKED,
+ PAD(sizeof(struct jffs2_raw_xref)), NULL);
+ /* FIXME */ ref->node->next_in_ino = (void *)ref;
+
+ *pseudo_random += ref->node->flash_offset;
+ sp += JFFS2_SUMMARY_XREF_SIZE;
+
+ break;
+ }
+#endif
default : {
- JFFS2_WARNING("Unsupported node type found in summary! Exiting...");
- kfree(summary);
- return -EIO;
+ uint16_t nodetype = je16_to_cpu(((struct jffs2_sum_unknown_flash *)sp)->nodetype);
+ JFFS2_WARNING("Unsupported node type %x found in summary! Exiting...\n", nodetype);
+ if ((nodetype & JFFS2_COMPAT_MASK) == JFFS2_FEATURE_INCOMPAT)
+ return -EIO;
+
+ /* For compatible node types, just fall back to the full scan */
+ c->wasted_size -= jeb->wasted_size;
+ c->free_size += c->sector_size - jeb->free_size;
+ c->used_size -= jeb->used_size;
+ c->dirty_size -= jeb->dirty_size;
+ jeb->wasted_size = jeb->used_size = jeb->dirty_size = 0;
+ jeb->free_size = c->sector_size;
+
+ jffs2_free_jeb_node_refs(c, jeb);
+ return -ENOTRECOVERABLE;
}
}
}
-
- kfree(summary);
return 0;
}
/* Process the summary node - called from jffs2_scan_eraseblock() */
-
int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,
- uint32_t ofs, uint32_t *pseudo_random)
+ struct jffs2_raw_summary *summary, uint32_t sumsize,
+ uint32_t *pseudo_random)
{
struct jffs2_unknown_node crcnode;
- struct jffs2_raw_node_ref *cache_ref;
- struct jffs2_raw_summary *summary;
- int ret, sumsize;
+ int ret, ofs;
uint32_t crc;
- sumsize = c->sector_size - ofs;
- ofs += jeb->offset;
+ ofs = c->sector_size - sumsize;
dbg_summary("summary found for 0x%08x at 0x%08x (0x%x bytes)\n",
- jeb->offset, ofs, sumsize);
-
- summary = kmalloc(sumsize, GFP_KERNEL);
-
- if (!summary) {
- return -ENOMEM;
- }
-
- ret = jffs2_fill_scan_buf(c, (unsigned char *)summary, ofs, sumsize);
-
- if (ret) {
- kfree(summary);
- return ret;
- }
+ jeb->offset, jeb->offset + ofs, sumsize);
/* OK, now check for node validity and CRC */
crcnode.magic = cpu_to_je16(JFFS2_MAGIC_BITMASK);
@@ -486,66 +605,49 @@ int jffs2_sum_scan_sumnode(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
dbg_summary("Summary : CLEANMARKER node \n");
+ ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+ if (ret)
+ return ret;
+
if (je32_to_cpu(summary->cln_mkr) != c->cleanmarker_size) {
dbg_summary("CLEANMARKER node has totlen 0x%x != normal 0x%x\n",
je32_to_cpu(summary->cln_mkr), c->cleanmarker_size);
- UNCHECKED_SPACE(PAD(je32_to_cpu(summary->cln_mkr)));
+ if ((ret = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
+ return ret;
} else if (jeb->first_node) {
dbg_summary("CLEANMARKER node not first node in block "
"(0x%08x)\n", jeb->offset);
- UNCHECKED_SPACE(PAD(je32_to_cpu(summary->cln_mkr)));
+ if ((ret = jffs2_scan_dirty_space(c, jeb, PAD(je32_to_cpu(summary->cln_mkr)))))
+ return ret;
} else {
- struct jffs2_raw_node_ref *marker_ref = jffs2_alloc_raw_node_ref();
-
- if (!marker_ref) {
- JFFS2_NOTICE("Failed to allocate node ref for clean marker\n");
- kfree(summary);
- return -ENOMEM;
- }
-
- marker_ref->next_in_ino = NULL;
- marker_ref->next_phys = NULL;
- marker_ref->flash_offset = jeb->offset | REF_NORMAL;
- marker_ref->__totlen = je32_to_cpu(summary->cln_mkr);
- jeb->first_node = jeb->last_node = marker_ref;
-
- USED_SPACE( PAD(je32_to_cpu(summary->cln_mkr)) );
+ jffs2_link_node_ref(c, jeb, jeb->offset | REF_NORMAL,
+ je32_to_cpu(summary->cln_mkr), NULL);
}
}
- if (je32_to_cpu(summary->padded)) {
- DIRTY_SPACE(je32_to_cpu(summary->padded));
- }
-
ret = jffs2_sum_process_sum_data(c, jeb, summary, pseudo_random);
+ /* -ENOTRECOVERABLE isn't a fatal error -- it means we should do a full
+ scan of this eraseblock. So return zero */
+ if (ret == -ENOTRECOVERABLE)
+ return 0;
if (ret)
- return ret;
+ return ret; /* real error */
/* for PARANOIA_CHECK */
- cache_ref = jffs2_alloc_raw_node_ref();
-
- if (!cache_ref) {
- JFFS2_NOTICE("Failed to allocate node ref for cache\n");
- return -ENOMEM;
- }
-
- cache_ref->next_in_ino = NULL;
- cache_ref->next_phys = NULL;
- cache_ref->flash_offset = ofs | REF_NORMAL;
- cache_ref->__totlen = sumsize;
-
- if (!jeb->first_node)
- jeb->first_node = cache_ref;
- if (jeb->last_node)
- jeb->last_node->next_phys = cache_ref;
- jeb->last_node = cache_ref;
+ ret = jffs2_prealloc_raw_node_refs(c, jeb, 2);
+ if (ret)
+ return ret;
- USED_SPACE(sumsize);
+ sum_link_node_ref(c, jeb, ofs | REF_NORMAL, sumsize, NULL);
- jeb->wasted_size += jeb->free_size;
- c->wasted_size += jeb->free_size;
- c->free_size -= jeb->free_size;
- jeb->free_size = 0;
+ if (unlikely(jeb->free_size)) {
+ JFFS2_WARNING("Free size 0x%x bytes in eraseblock @0x%08x with summary?\n",
+ jeb->free_size, jeb->offset);
+ jeb->wasted_size += jeb->free_size;
+ c->wasted_size += jeb->free_size;
+ c->free_size -= jeb->free_size;
+ jeb->free_size = 0;
+ }
return jffs2_scan_classify_jeb(c, jeb);
@@ -564,6 +666,7 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
union jffs2_sum_mem *temp;
struct jffs2_sum_marker *sm;
struct kvec vecs[2];
+ uint32_t sum_ofs;
void *wpage;
int ret;
size_t retlen;
@@ -581,16 +684,17 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
wpage = c->summary->sum_buf;
while (c->summary->sum_num) {
+ temp = c->summary->sum_list_head;
- switch (je16_to_cpu(c->summary->sum_list_head->u.nodetype)) {
+ switch (je16_to_cpu(temp->u.nodetype)) {
case JFFS2_NODETYPE_INODE: {
struct jffs2_sum_inode_flash *sino_ptr = wpage;
- sino_ptr->nodetype = c->summary->sum_list_head->i.nodetype;
- sino_ptr->inode = c->summary->sum_list_head->i.inode;
- sino_ptr->version = c->summary->sum_list_head->i.version;
- sino_ptr->offset = c->summary->sum_list_head->i.offset;
- sino_ptr->totlen = c->summary->sum_list_head->i.totlen;
+ sino_ptr->nodetype = temp->i.nodetype;
+ sino_ptr->inode = temp->i.inode;
+ sino_ptr->version = temp->i.version;
+ sino_ptr->offset = temp->i.offset;
+ sino_ptr->totlen = temp->i.totlen;
wpage += JFFS2_SUMMARY_INODE_SIZE;
@@ -600,30 +704,60 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
case JFFS2_NODETYPE_DIRENT: {
struct jffs2_sum_dirent_flash *sdrnt_ptr = wpage;
- sdrnt_ptr->nodetype = c->summary->sum_list_head->d.nodetype;
- sdrnt_ptr->totlen = c->summary->sum_list_head->d.totlen;
- sdrnt_ptr->offset = c->summary->sum_list_head->d.offset;
- sdrnt_ptr->pino = c->summary->sum_list_head->d.pino;
- sdrnt_ptr->version = c->summary->sum_list_head->d.version;
- sdrnt_ptr->ino = c->summary->sum_list_head->d.ino;
- sdrnt_ptr->nsize = c->summary->sum_list_head->d.nsize;
- sdrnt_ptr->type = c->summary->sum_list_head->d.type;
+ sdrnt_ptr->nodetype = temp->d.nodetype;
+ sdrnt_ptr->totlen = temp->d.totlen;
+ sdrnt_ptr->offset = temp->d.offset;
+ sdrnt_ptr->pino = temp->d.pino;
+ sdrnt_ptr->version = temp->d.version;
+ sdrnt_ptr->ino = temp->d.ino;
+ sdrnt_ptr->nsize = temp->d.nsize;
+ sdrnt_ptr->type = temp->d.type;
- memcpy(sdrnt_ptr->name, c->summary->sum_list_head->d.name,
- c->summary->sum_list_head->d.nsize);
+ memcpy(sdrnt_ptr->name, temp->d.name,
+ temp->d.nsize);
- wpage += JFFS2_SUMMARY_DIRENT_SIZE(c->summary->sum_list_head->d.nsize);
+ wpage += JFFS2_SUMMARY_DIRENT_SIZE(temp->d.nsize);
break;
}
+#ifdef CONFIG_JFFS2_FS_XATTR
+ case JFFS2_NODETYPE_XATTR: {
+ struct jffs2_sum_xattr_flash *sxattr_ptr = wpage;
+
+ temp = c->summary->sum_list_head;
+ sxattr_ptr->nodetype = temp->x.nodetype;
+ sxattr_ptr->xid = temp->x.xid;
+ sxattr_ptr->version = temp->x.version;
+ sxattr_ptr->offset = temp->x.offset;
+ sxattr_ptr->totlen = temp->x.totlen;
+
+ wpage += JFFS2_SUMMARY_XATTR_SIZE;
+ break;
+ }
+ case JFFS2_NODETYPE_XREF: {
+ struct jffs2_sum_xref_flash *sxref_ptr = wpage;
+ temp = c->summary->sum_list_head;
+ sxref_ptr->nodetype = temp->r.nodetype;
+ sxref_ptr->offset = temp->r.offset;
+
+ wpage += JFFS2_SUMMARY_XREF_SIZE;
+ break;
+ }
+#endif
default : {
- BUG(); /* unknown node in summary information */
+ if ((je16_to_cpu(temp->u.nodetype) & JFFS2_COMPAT_MASK)
+ == JFFS2_FEATURE_RWCOMPAT_COPY) {
+ dbg_summary("Writing unknown RWCOMPAT_COPY node type %x\n",
+ je16_to_cpu(temp->u.nodetype));
+ jffs2_sum_disable_collecting(c->summary);
+ } else {
+ BUG(); /* unknown node in summary information */
+ }
}
}
- temp = c->summary->sum_list_head;
- c->summary->sum_list_head = c->summary->sum_list_head->u.next;
+ c->summary->sum_list_head = temp->u.next;
kfree(temp);
c->summary->sum_num--;
@@ -645,25 +779,34 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
vecs[1].iov_base = c->summary->sum_buf;
vecs[1].iov_len = datasize;
- dbg_summary("JFFS2: writing out data to flash to pos : 0x%08x\n",
- jeb->offset + c->sector_size - jeb->free_size);
+ sum_ofs = jeb->offset + c->sector_size - jeb->free_size;
- spin_unlock(&c->erase_completion_lock);
- ret = jffs2_flash_writev(c, vecs, 2, jeb->offset + c->sector_size -
- jeb->free_size, &retlen, 0);
- spin_lock(&c->erase_completion_lock);
+ dbg_summary("JFFS2: writing out data to flash to pos : 0x%08x\n",
+ sum_ofs);
+ ret = jffs2_flash_writev(c, vecs, 2, sum_ofs, &retlen, 0);
if (ret || (retlen != infosize)) {
- JFFS2_WARNING("Write of %zd bytes at 0x%08x failed. returned %d, retlen %zd\n",
- infosize, jeb->offset + c->sector_size - jeb->free_size, ret, retlen);
+
+ JFFS2_WARNING("Write of %u bytes at 0x%08x failed. returned %d, retlen %zd\n",
+ infosize, sum_ofs, ret, retlen);
+
+ if (retlen) {
+ /* Waste remaining space */
+ spin_lock(&c->erase_completion_lock);
+ jffs2_link_node_ref(c, jeb, sum_ofs | REF_OBSOLETE, infosize, NULL);
+ spin_unlock(&c->erase_completion_lock);
+ }
c->summary->sum_size = JFFS2_SUMMARY_NOSUM_SIZE;
- WASTED_SPACE(infosize);
- return 1;
+ return 0;
}
+ spin_lock(&c->erase_completion_lock);
+ jffs2_link_node_ref(c, jeb, sum_ofs | REF_NORMAL, infosize, NULL);
+ spin_unlock(&c->erase_completion_lock);
+
return 0;
}
@@ -671,13 +814,16 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
{
- struct jffs2_raw_node_ref *summary_ref;
- int datasize, infosize, padsize, ret;
+ int datasize, infosize, padsize;
struct jffs2_eraseblock *jeb;
+ int ret;
dbg_summary("called\n");
+ spin_unlock(&c->erase_completion_lock);
+
jeb = c->nextblock;
+ jffs2_prealloc_raw_node_refs(c, jeb, 1);
if (!c->summary->sum_num || !c->summary->sum_list_head) {
JFFS2_WARNING("Empty summary info!!!\n");
@@ -696,35 +842,11 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
jffs2_sum_disable_collecting(c->summary);
JFFS2_WARNING("Not enough space for summary, padsize = %d\n", padsize);
+ spin_lock(&c->erase_completion_lock);
return 0;
}
ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
- if (ret)
- return 0; /* can't write out summary, block is marked as NOSUM_SIZE */
-
- /* for ACCT_PARANOIA_CHECK */
- spin_unlock(&c->erase_completion_lock);
- summary_ref = jffs2_alloc_raw_node_ref();
spin_lock(&c->erase_completion_lock);
-
- if (!summary_ref) {
- JFFS2_NOTICE("Failed to allocate node ref for summary\n");
- return -ENOMEM;
- }
-
- summary_ref->next_in_ino = NULL;
- summary_ref->next_phys = NULL;
- summary_ref->flash_offset = (jeb->offset + c->sector_size - jeb->free_size) | REF_NORMAL;
- summary_ref->__totlen = infosize;
-
- if (!jeb->first_node)
- jeb->first_node = summary_ref;
- if (jeb->last_node)
- jeb->last_node->next_phys = summary_ref;
- jeb->last_node = summary_ref;
-
- USED_SPACE(infosize);
-
- return 0;
+ return ret;
}