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jffs2: Add 'work_done' return value from jffs2_erase_pending_blocks() 

We're about to start calling this from the jffs2_garbage_collect_pass(), and
we'll want to know whether it actually did anything or not.

Signed-off-by: Joakim Tjernlund <joakim.tjernlund@transmode.se>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Joakim Tjernlund 2010-05-19 16:32:52 +01:00 committed by David Woodhouse
parent cd874237d9
commit 9957abea31
2 changed files with 5 additions and 2 deletions
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5
fs/jffs2/erase.c
View File

@ -103,9 +103,10 @@ static void jffs2_erase_block(struct jffs2_sb_info *c,
jffs2_erase_failed(c, jeb, bad_offset);
}
void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
{
struct jffs2_eraseblock *jeb;
int work_done = 0;
mutex_lock(&c->erase_free_sem);
@ -121,6 +122,7 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
mutex_unlock(&c->erase_free_sem);
jffs2_mark_erased_block(c, jeb);
work_done++;
if (!--count) {
D1(printk(KERN_DEBUG "Count reached. jffs2_erase_pending_blocks leaving\n"));
goto done;
@ -157,6 +159,7 @@ void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count)
mutex_unlock(&c->erase_free_sem);
done:
D1(printk(KERN_DEBUG "jffs2_erase_pending_blocks completed\n"));
return work_done;
}
static void jffs2_erase_succeeded(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb)

2
fs/jffs2/nodelist.h
View File

@ -464,7 +464,7 @@ int jffs2_scan_dirty_space(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb
int jffs2_do_mount_fs(struct jffs2_sb_info *c);
/* erase.c */
void jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
int jffs2_erase_pending_blocks(struct jffs2_sb_info *c, int count);
void jffs2_free_jeb_node_refs(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
#ifdef CONFIG_JFFS2_FS_WRITEBUFFER