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[JFFS2][XATTR] Handling the duplicate JFFS2_NODETYPE_XATTR node cases.

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When jffs2_sum_process_sum_data() found a JFFS2_NODETYPE_XATTR
which has duplicate xid and older version, an error was returned
without appropriate process.
In the result, mounting filesystem is failed.

This patch fix this problem. If jffs2_setup_xattr_datum() returned
-EEXIST, the caller marks this node as DIRTY_SPACE().

[1/2] jffs2-xattr-v5.2-01-fix-duplicate-xdatum.patch

Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
This commit is contained in:
KaiGai Kohei 2006-05-13 15:21:38 +09:00
parent dea80134dc
commit c8708a9275
1 changed files with 7 additions and 1 deletions
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8
fs/jffs2/summary.c
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@ -508,8 +508,14 @@ static int jffs2_sum_process_sum_data(struct jffs2_sb_info *c, struct jffs2_eras
xd = jffs2_setup_xattr_datum(c, je32_to_cpu(spx->xid), xd = jffs2_setup_xattr_datum(c, je32_to_cpu(spx->xid),
je32_to_cpu(spx->version)); je32_to_cpu(spx->version));
if (IS_ERR(xd)) { if (IS_ERR(xd)) {
JFFS2_NOTICE("allocation of xattr_datum failed\n");
jffs2_free_raw_node_ref(raw); jffs2_free_raw_node_ref(raw);
if (PTR_ERR(xd) == -EEXIST) {
/* a newer version of xd exists */
DIRTY_SPACE(je32_to_cpu(spx->totlen));
sp += JFFS2_SUMMARY_XATTR_SIZE;
break;
}
JFFS2_NOTICE("allocation of xattr_datum failed\n");
kfree(summary); kfree(summary);
return PTR_ERR(xd); return PTR_ERR(xd);
} }