Commit 4eea9fbe authored Aug 01, 2023 by Kemeng Shi Committed by Theodore Ts'o Aug 03, 2023

ext4: correct some stale comment of criteria



We named criteria with CR_XXX, correct stale comment to criteria with
raw number.

Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/20230801143204.2284343-11-shikemeng@huaweicloud.com


Signed-off-by: Theodore Ts'o <tytso@mit.edu>

parent bcb123ac

fs/ext4/mballoc.c

+4 −4

Original line number	Diff line number	Diff line
		@@ -2782,8 +2782,8 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)

		/*
		* ac->ac_2order is set only if the fe_len is a power of 2
		* if ac->ac_2order is set we also set criteria to 0 so that we
		* try exact allocation using buddy.
		* if ac->ac_2order is set we also set criteria to CR_POWER2_ALIGNED
		* so that we try exact allocation using buddy.
		*/
		i = fls(ac->ac_g_ex.fe_len);
		ac->ac_2order = 0;
		@@ -2840,8 +2840,8 @@ ext4_mb_regular_allocator(struct ext4_allocation_context *ac)
		/*
		* Batch reads of the block allocation bitmaps
		* to get multiple READs in flight; limit
		* prefetching at cr=0/1, otherwise mballoc can
		* spend a lot of time loading imperfect groups
		* prefetching at inexpensive CR, otherwise mballoc
		* can spend a lot of time loading imperfect groups
		*/
		if ((prefetch_grp == group) &&
		(ext4_mb_cr_expensive(cr) \|\|