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[JFFS2] Fix write buffer retry case

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Correction of retry case to avoid silent failure of rmdir
when jffs2_wbuf_recover GCs the previous entry (+ corresponding
dnode case).

Signed-off-by: Estelle Hammache <estelle.hammache@st.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Estelle Hammache 2005-01-24 21:13:42 +00:00 committed by Thomas Gleixner
parent ed3786a599
commit e4803c30d6
1 changed files with 32 additions and 1 deletions
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33
fs/jffs2/write.c
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@ -7,7 +7,7 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
* $Id: write.c,v 1.87 2004/11/16 20:36:12 dwmw2 Exp $
* $Id: write.c,v 1.88 2005/01/24 21:13:39 hammache Exp $
*
*/
@ -136,6 +136,21 @@ 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));
}
}
ret = jffs2_flash_writev(c, vecs, cnt, flash_ofs, &retlen,
(alloc_mode==ALLOC_GC)?0:f->inocache->ino);
@ -280,6 +295,22 @@ 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));
}
}
ret = jffs2_flash_writev(c, vecs, 2, flash_ofs, &retlen,
(alloc_mode==ALLOC_GC)?0:je32_to_cpu(rd->pino));
if (ret || (retlen != sizeof(*rd) + namelen)) {