buffer: remove useless comment and WB_REASON_FREE_MORE_MEM, reason. (c4b4c2a7) · Commits · 戴 / test

free_more_memory func has been completely removed in commit ("buffer: eliminate the need to call free_more_memory() in __getblk_slow()") So comment and `WB_REASON_FREE_MORE_MEM` reason about free_more_memory are no longer needed. Fixes: ("buffer: eliminate the need to call free_more_memory() in __getblk_slow()") Reviewed-by:

Jan Kara <jack@suse.cz> Signed-off-by:

Zhiqiang Liu <liuzhiqiang26@huawei.com> Signed-off-by:

Jens Axboe <axboe@kernel.dk>

fs/buffer.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -967,7 +967,7 @@ grow_dev_page(struct block_device *bdev, sector_t block,
		struct page *page;
		struct buffer_head *bh;
		sector_t end_block;
		int ret = 0; /* Will call free_more_memory() */
		int ret = 0;
		gfp_t gfp_mask;

		gfp_mask = mapping_gfp_constraint(inode->i_mapping, ~__GFP_FS) \| gfp;

include/linux/backing-dev-defs.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -54,7 +54,6 @@ enum wb_reason {
		WB_REASON_SYNC,
		WB_REASON_PERIODIC,
		WB_REASON_LAPTOP_TIMER,
		WB_REASON_FREE_MORE_MEM,
		WB_REASON_FS_FREE_SPACE,
		/*
		* There is no bdi forker thread any more and works are done

include/trace/events/writeback.h

+0 −1

Original line number	Diff line number	Diff line
		@@ -36,7 +36,6 @@
		EM( WB_REASON_SYNC, "sync") \
		EM( WB_REASON_PERIODIC, "periodic") \
		EM( WB_REASON_LAPTOP_TIMER, "laptop_timer") \
		EM( WB_REASON_FREE_MORE_MEM, "free_more_memory") \
		EM( WB_REASON_FS_FREE_SPACE, "fs_free_space") \
		EMe(WB_REASON_FORKER_THREAD, "forker_thread")

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