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| author | Estelle Hammache <estelle.hammache@st.com> | 2005-01-24 21:13:42 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 12:11:28 +0200 |
| commit | e4803c30d64391d84635061eaebfc7d66de9d6ab (patch) | |
| tree | b36dbc4306c6b8223f0fd9755ea0d8a04a15bcb6 /fs | |
| parent | ed3786a599f5639c99dfcceaef1b064ab5e2e9f9 (diff) | |
| download | kernel-crypto-e4803c30d64391d84635061eaebfc7d66de9d6ab.tar.gz kernel-crypto-e4803c30d64391d84635061eaebfc7d66de9d6ab.tar.xz kernel-crypto-e4803c30d64391d84635061eaebfc7d66de9d6ab.zip | |
[JFFS2] Fix write buffer retry case
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>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/jffs2/write.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/fs/jffs2/write.c b/fs/jffs2/write.c index 80a5db54262..32c1efaf6a0 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 1.87 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)) { |