UBIFS: introduce a "grouped" journal head flag (1a0b0699) · Commits · 戴 / test

fs/ubifs/super.c

+4 −1

Original line number	Original line	Diff line number	Diff line
	@@ -811,15 +811,18 @@ static int alloc_wbufs(struct ubifs_info *c)

	c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback;		c->jheads[i].wbuf.sync_callback = &bud_wbuf_callback;
	c->jheads[i].wbuf.jhead = i;		c->jheads[i].wbuf.jhead = i;
			c->jheads[i].grouped = 1;
	}		}

	c->jheads[BASEHD].wbuf.dtype = UBI_SHORTTERM;		c->jheads[BASEHD].wbuf.dtype = UBI_SHORTTERM;
	/*		/*
	* Garbage Collector head likely contains long-term data and		* Garbage Collector head likely contains long-term data and
	* does not need to be synchronized by timer.		* does not need to be synchronized by timer. Also GC head nodes are
			* not grouped.
	*/		*/
	c->jheads[GCHD].wbuf.dtype = UBI_LONGTERM;		c->jheads[GCHD].wbuf.dtype = UBI_LONGTERM;
	c->jheads[GCHD].wbuf.no_timer = 1;		c->jheads[GCHD].wbuf.no_timer = 1;
			c->jheads[GCHD].grouped = 0;

	return 0;		return 0;
	}		}

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -722,12 +722,14 @@ struct ubifs_bud {
	* struct ubifs_jhead - journal head.		* struct ubifs_jhead - journal head.
	* @wbuf: head's write-buffer		* @wbuf: head's write-buffer
	* @buds_list: list of bud LEBs belonging to this journal head		* @buds_list: list of bud LEBs belonging to this journal head
			* @grouped: non-zero if UBIFS groups nodes when writing to this journal head
	*		*
	* Note, the @buds list is protected by the @c->buds_lock.		* Note, the @buds list is protected by the @c->buds_lock.
	*/		*/
	struct ubifs_jhead {		struct ubifs_jhead {
	struct ubifs_wbuf wbuf;		struct ubifs_wbuf wbuf;
	struct list_head buds_list;		struct list_head buds_list;
			unsigned int grouped:1;
	};		};

	/**		/**