shithub: lwext4

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ext4_bcache: add ext4_bcache_cleanup routine.

--- a/lwext4/ext4.c

+++ b/lwext4/ext4.c

@@ -403,6 +403,7 @@

 	/*Bind block cache to block device*/

 	r = ext4_block_bind_bcache(bd, bc);

 	if (r != EOK) {

+		ext4_bcache_cleanup(bc);

 		ext4_block_fini(bd);

 		if (mp->cache_dynamic) {

 			ext4_bcache_fini_dynamic(bc);

@@ -437,6 +438,7 @@

 	mp->mounted = 0;

+	ext4_bcache_cleanup(mp->fs.bdev->bc);

 	if (mp->cache_dynamic) {

 		ext4_bcache_fini_dynamic(mp->fs.bdev->bc);

 		free(mp->fs.bdev->bc);

--- a/lwext4/ext4_bcache.c

+++ b/lwext4/ext4_bcache.c

@@ -81,6 +81,15 @@

 	return EOK;

 }

+void ext4_bcache_cleanup(struct ext4_bcache *bc)

+{

+	struct ext4_buf *buf, *tmp;

+	RB_FOREACH_SAFE(buf, ext4_buf_lba, &bc->lba_root, tmp) {

+		ext4_block_flush_buf(bc->bdev, buf);

+		ext4_bcache_drop_buf(bc, buf);

+	}

+}

+

 int ext4_bcache_fini_dynamic(struct ext4_bcache *bc)

 {

 	memset(bc, 0, sizeof(struct ext4_bcache));

--- a/lwext4/ext4_bcache.h

+++ b/lwext4/ext4_bcache.h

@@ -219,6 +219,10 @@

 int ext4_bcache_init_dynamic(struct ext4_bcache *bc, uint32_t cnt,

 			     uint32_t itemsize);

+/**@brief   Do cleanup works on block cache.

+ * @param   bc block cache descriptor.*/

+void ext4_bcache_cleanup(struct ext4_bcache *bc);

+

 /**@brief   Dynamic de-initialization of block cache.

  * @param   bc block cache descriptor

  * @return  standard error code*/