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Commit 14b42817 authored by Wanpeng Li's avatar Wanpeng Li Committed by Jaegeuk Kim
Browse files

f2fs: fix max orphan inodes calculation 



cp_payload is introduced for sit bitmap to support large volume, and it is
just after the block of f2fs_checkpoint + nat bitmap, so the first segment
should include F2FS_CP_PACKS + NR_CURSEG_TYPE + cp_payload + orphan blocks.
However, current max orphan inodes calculation don't consider cp_payload,
this patch fix it by reducing the number of cp_payload from total blocks of
the first segment when calculate max orphan inodes.

Signed-off-by: default avatarWanpeng Li <wanpeng.li@linux.intel.com>
Reviewed-by: default avatarChao Yu <chao2.yu@samsung.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 2b11a74b

fs/f2fs/checkpoint.c

+7 −5
Original line number Original line Diff line number Diff line
@@ -1104,13 +1104,15 @@ void init_ino_entry_info(struct f2fs_sb_info *sbi) 
	}

	}





	/*

	/*

	 * considering 512 blocks in a segment 8 blocks are needed for cp

	 * considering 512 blocks in a segment 8+cp_payload blocks are

	 * and log segment summaries. Remaining blocks are used to keep

	 * needed for cp and log segment summaries. Remaining blocks are

	 * orphan entries with the limitation one reserved segment

	 * used to keep orphan entries with the limitation one reserved

	 * for cp pack we can have max 1020*504 orphan entries

	 * segment for cp pack we can have max 1020*(504-cp_payload)

	 * orphan entries

	 */

	 */

	sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -

	sbi->max_orphans = (sbi->blocks_per_seg - F2FS_CP_PACKS -

			NR_CURSEG_TYPE) * F2FS_ORPHANS_PER_BLOCK;

			NR_CURSEG_TYPE - __cp_payload(sbi)) *

				F2FS_ORPHANS_PER_BLOCK;

}

}





int __init create_checkpoint_caches(void)

int __init create_checkpoint_caches(void)