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| author | Joakim Tjernlund <joakim.tjernlund@transmode.se> | 2010-05-19 16:32:52 +0100 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-05-19 16:32:52 +0100 |
| commit | 9957abea31aed5783d6ca7175cce553045c0eb19 (patch) | |
| tree | 7497a0b8c69426a5344cc2ddd6f211213886bf09 | |
| parent | cd874237d97f24f601f16a140d20803b6a79202e (diff) | |
| download | lwn-9957abea31aed5783d6ca7175cce553045c0eb19.tar.gz lwn-9957abea31aed5783d6ca7175cce553045c0eb19.zip | |
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>
| -rw-r--r-- | fs/jffs2/erase.c | 5 | ||||
| -rw-r--r-- | fs/jffs2/nodelist.h | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c index b47679be118a..b2d2b6a6e03e 100644 --- a/fs/jffs2/erase.c +++ b/fs/jffs2/erase.c @@ -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) diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index 36d7a849ee2c..a881a42f19e3 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h @@ -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 |