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| author |   Artem B. Bityuckiy <dedekind@infradead.org> | 2005-03-20 17:45:29 +0000 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@mtd.linutronix.de> | 2005-05-23 13:01:25 +0200 |
| commit | a42163d7c331c2532551f675d6616a00e1e87fe9 (patch) | |
| tree | f437025983cca8c43ee33e839199d0ee091c8107 /fs/jffs2 | |
| parent | [MTD] plat-ram: Make it usable on non ARM platforms (diff) | |
| download | linux-dev-a42163d7c331c2532551f675d6616a00e1e87fe9.tar.xz linux-dev-a42163d7c331c2532551f675d6616a00e1e87fe9.zip | |
[JFFS2] Improve garbage collector block selection
Make sure the erase_pending_wbuf_list's blocks are taken into account
when picking the block to GC.
Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/jffs2')
| -rw-r--r-- | fs/jffs2/gc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/jffs2/gc.c b/fs/jffs2/gc.c index 61ae001eced5..44fa7379098f 100644 --- a/fs/jffs2/gc.c +++ b/fs/jffs2/gc.c @@ -7,7 +7,7 @@ * * For licensing information, see the file 'LICENCE' in this directory. * - * $Id: gc.c,v 1.145 2005/02/09 09:09:01 pavlov Exp $ + * $Id: gc.c,v 1.146 2005/03/20 17:45:25 dedekind Exp $ * */ @@ -50,6 +50,7 @@ static struct jffs2_eraseblock *jffs2_find_gc_block(struct jffs2_sb_info *c) put the clever wear-levelling algorithms. Eventually. */ /* We possibly want to favour the dirtier blocks more when the number of free blocks is low. */ +again: if (!list_empty(&c->bad_used_list) && c->nr_free_blocks > c->resv_blocks_gcbad) { D1(printk(KERN_DEBUG "Picking block from bad_used_list to GC next\n")); nextlist = &c->bad_used_list; @@ -79,6 +80,11 @@ static struct jffs2_eraseblock *jffs2_find_gc_block(struct jffs2_sb_info *c) D1(printk(KERN_DEBUG "Picking block from erasable_list to GC next (clean_list and {very_,}dirty_list were empty)\n")); nextlist = &c->erasable_list; + } else if (!list_empty(&c->erasable_pending_wbuf_list)) { + /* There are blocks are wating for the wbuf sync */ + D1(printk(KERN_DEBUG "Synching wbuf in order to reuse erasable_pending_wbuf_list blocks\n")); + jffs2_flush_wbuf_pad(c); + goto again; } else { /* Eep. All were empty */ D1(printk(KERN_NOTICE "jffs2: No clean, dirty _or_ erasable blocks to GC from! Where are they all?\n")); |