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authorEstelle Hammache <estelle.hammache@st.com>2005-01-28 18:53:05 +0000
committerThomas Gleixner <tglx@mtd.linutronix.de>2005-05-23 12:16:06 +0200
commit9b88f47390efb72540b050628ebc04202d91c6ec (patch)
tree13d56b9a76a76b7dca5509cad63827570b3496b1 /fs/jffs2
parent6170b43401a3230756ff76287ee07db0d75eddde (diff)
downloadop-kernel-dev-9b88f47390efb72540b050628ebc04202d91c6ec.zip
op-kernel-dev-9b88f47390efb72540b050628ebc04202d91c6ec.tar.gz
[JFFS2] Code cleanup
Code beautification and block filing correction for optimization. Signed-off-by: Estelle Hammache <estelle.hammache@st.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/jffs2')
-rw-r--r--fs/jffs2/nodemgmt.c8
-rw-r--r--fs/jffs2/wbuf.c23
-rw-r--r--fs/jffs2/write.c44
3 files changed, 28 insertions, 47 deletions
diff --git a/fs/jffs2/nodemgmt.c b/fs/jffs2/nodemgmt.c
index b2a5387..5e1e8ca 100644
--- a/fs/jffs2/nodemgmt.c
+++ b/fs/jffs2/nodemgmt.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: nodemgmt.c,v 1.116 2005/01/24 21:30:22 hammache Exp $
+ * $Id: nodemgmt.c,v 1.117 2005/01/25 20:11:11 hammache Exp $
*
*/
@@ -310,8 +310,8 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
#if 1
/* we could get some obsolete nodes after nextblock was refiled
in wbuf.c */
- if ( (c->nextblock || !ref_obsolete(new))
- &&(jeb != c->nextblock || (ref_offset(new)) != jeb->offset + (c->sector_size - jeb->free_size))) {
+ if ((c->nextblock || !ref_obsolete(new))
+ &&(jeb != c->nextblock || ref_offset(new) != jeb->offset + (c->sector_size - jeb->free_size))) {
printk(KERN_WARNING "argh. node added in wrong place\n");
jffs2_free_raw_node_ref(new);
return -EINVAL;
@@ -335,7 +335,7 @@ int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_r
c->used_size += len;
}
- if (!jeb->free_size && !jeb->dirty_size && !jeb->wasted_size) {
+ if (!jeb->free_size && !jeb->dirty_size && !ISDIRTY(jeb->wasted_size)) {
/* If it lives on the dirty_list, jffs2_reserve_space will put it there */
D1(printk(KERN_DEBUG "Adding full erase block at 0x%08x to clean_list (free 0x%08x, dirty 0x%08x, used 0x%08x\n",
jeb->offset, jeb->free_size, jeb->dirty_size, jeb->used_size));
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index 4e583bf..b43aac7 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -9,7 +9,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: wbuf.c,v 1.83 2005/01/24 21:24:15 hammache Exp $
+ * $Id: wbuf.c,v 1.84 2005/01/25 20:11:11 hammache Exp $
*
*/
@@ -147,8 +147,7 @@ static void jffs2_block_refile(struct jffs2_sb_info *c, struct jffs2_eraseblock
D1(printk("Refiling block at %08x to bad_used_list\n", jeb->offset));
list_add(&jeb->list, &c->bad_used_list);
} else {
- if (allow_empty == REFILE_NOTEMPTY)
- BUG();
+ BUG_ON(allow_empty == REFILE_NOTEMPTY);
/* It has to have had some nodes or we couldn't be here */
D1(printk("Refiling block at %08x to erase_pending_list\n", jeb->offset));
list_add(&jeb->list, &c->erase_pending_list);
@@ -268,16 +267,15 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
ret = jffs2_reserve_space_gc(c, end-start, &ofs, &len);
if (ret) {
printk(KERN_WARNING "Failed to allocate space for wbuf recovery. Data loss ensues.\n");
- if (buf)
- kfree(buf);
+ kfree(buf);
return;
}
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
- full, and there's nothing earlier read back from the
- flash. Hence 'buf' isn't necessarily what we're writing
- from. */
+ that this is just because the wbuf itself is completely
+ full, and there's nothing earlier read back from the
+ flash. Hence 'buf' isn't necessarily what we're writing
+ from. */
unsigned char *rewrite_buf = buf?:c->wbuf;
uint32_t towrite = (end-start) - ((end-start)%c->wbuf_pagesize);
@@ -303,8 +301,7 @@ static void jffs2_wbuf_recover(struct jffs2_sb_info *c)
if (ret || retlen != towrite) {
/* Argh. We tried. Really we did. */
printk(KERN_CRIT "Recovery of wbuf failed due to a second write error\n");
- if (buf)
- kfree(buf);
+ kfree(buf);
if (retlen) {
struct jffs2_raw_node_ref *raw2;
@@ -555,9 +552,7 @@ int jffs2_flush_wbuf_gc(struct jffs2_sb_info *c, uint32_t ino)
/* retry flushing wbuf in case jffs2_wbuf_recover
left some data in the wbuf */
if (ret)
- {
ret = __jffs2_flush_wbuf(c, PAD_ACCOUNTING);
- }
up_write(&c->wbuf_sem);
} else while (old_wbuf_len &&
old_wbuf_ofs == c->wbuf_ofs) {
@@ -575,9 +570,7 @@ int jffs2_flush_wbuf_gc(struct jffs2_sb_info *c, uint32_t ino)
/* retry flushing wbuf in case jffs2_wbuf_recover
left some data in the wbuf */
if (ret)
- {
ret = __jffs2_flush_wbuf(c, PAD_ACCOUNTING);
- }
up_write(&c->wbuf_sem);
break;
}
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c
index 32c1efa..d6b4d55 100644
--- a/fs/jffs2/write.c
+++ b/fs/jffs2/write.c
@@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: write.c,v 1.88 2005/01/24 21:13:39 hammache Exp $
+ * $Id: write.c,v 1.90 2005/01/28 18:53:01 hammache Exp $
*
*/
@@ -136,19 +136,13 @@ struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2
raw->__totlen = PAD(sizeof(*ri)+datalen);
raw->next_phys = NULL;
- if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(ri->version) < f->highest_version))
- {
- if (! retried)
- {
- BUG();
- }
- else
- {
- D1(printk(KERN_DEBUG "jffs2_write_dnode : dnode_version %d, highest version %d -> updating dnode\n",
- je32_to_cpu(ri->version), f->highest_version));
- ri->version = cpu_to_je32(++f->highest_version);
- ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
- }
+ if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(ri->version) < f->highest_version)) {
+ BUG_ON(!retried);
+ D1(printk(KERN_DEBUG "jffs2_write_dnode : dnode_version %d, "
+ "highest version %d -> updating dnode\n",
+ je32_to_cpu(ri->version), f->highest_version));
+ ri->version = cpu_to_je32(++f->highest_version);
+ ri->node_crc = cpu_to_je32(crc32(0, ri, sizeof(*ri)-8));
}
ret = jffs2_flash_writev(c, vecs, cnt, flash_ofs, &retlen,
@@ -295,20 +289,14 @@ struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jff
raw->__totlen = PAD(sizeof(*rd)+namelen);
raw->next_phys = NULL;
- if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(rd->version) < f->highest_version))
- {
- if (! retried)
- {
- BUG();
- }
- else
- {
- D1(printk(KERN_DEBUG "jffs2_write_dirent : dirent_version %d, highest version %d -> updating dirent\n",
- je32_to_cpu(rd->version), f->highest_version));
- rd->version = cpu_to_je32(++f->highest_version);
- fd->version = je32_to_cpu(rd->version);
- rd->node_crc = cpu_to_je32(crc32(0, rd, sizeof(*rd)-8));
- }
+ if ((alloc_mode!=ALLOC_GC) && (je32_to_cpu(rd->version) < f->highest_version)) {
+ BUG_ON(!retried);
+ D1(printk(KERN_DEBUG "jffs2_write_dirent : dirent_version %d, "
+ "highest version %d -> updating dirent\n",
+ je32_to_cpu(rd->version), f->highest_version));
+ rd->version = cpu_to_je32(++f->highest_version);
+ fd->version = je32_to_cpu(rd->version);
+ rd->node_crc = cpu_to_je32(crc32(0, rd, sizeof(*rd)-8));
}
ret = jffs2_flash_writev(c, vecs, 2, flash_ofs, &retlen,
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