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| author | Artem B. Bityuckiy <dedekind@infradead.org> | 2005-07-06 15:43:18 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-07-06 18:30:00 +0200 |
| commit | 6430a8def12edebc1c9c7c2621d33ca0e8653c33 (patch) | |
| tree | d3c12091e821b7a98da9a58d9d11f648699d207c /fs | |
| parent | 265489f01d8c05f7aae174651a98854af090efc0 (diff) | |
| download | lwn-6430a8def12edebc1c9c7c2621d33ca0e8653c33.tar.gz lwn-6430a8def12edebc1c9c7c2621d33ca0e8653c33.zip | |
[JFFS2] Simplify the tree insert code.
It isn't _normal_ that we allow key collision in rbtrees,
but it does not matter as long as the two nodes with the same
version are together.
Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/jffs2/nodelist.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/jffs2/nodelist.c b/fs/jffs2/nodelist.c index be38cc5c35cd..c7bbdeec93a6 100644 --- a/fs/jffs2/nodelist.c +++ b/fs/jffs2/nodelist.c @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: nodelist.c,v 1.95 2005/07/05 21:03:07 dwmw2 Exp $ + * $Id: nodelist.c,v 1.97 2005/07/06 15:18:41 dwmw2 Exp $ * */ @@ -69,12 +69,11 @@ static void jffs2_add_tn_to_list(struct jffs2_tmp_dnode_info *tn, struct rb_root parent = *p; this = rb_entry(parent, struct jffs2_tmp_dnode_info, rb); + /* There may actually be a collision here, but it doesn't + actually matter. As long as the two nodes with the same + version are together, it's all fine. */ if (tn->version < this->version) p = &(*p)->rb_left; - else if (tn->version > this->version) - p = &(*p)->rb_right; - else if (tn < this) - p = &(*p)->rb_left; else p = &(*p)->rb_right; } |