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Commit 9af45ef5 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: add comments of start_bidx_of_node 



The caller of start_bidx_of_node() should give proper node offsets which
point only direct node blocks. Otherwise, it is a caller's bug.
This patch adds comments to make it clear.

Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent a7fdffbd

fs/f2fs/gc.c

+5 −1
Original line number Diff line number Diff line
@@ -424,7 +424,11 @@ static int gc_node_segment(struct f2fs_sb_info *sbi, 
}



/*

 * Calculate start block index that this node page contains

 * Calculate start block index indicating the given node offset.

 * Be careful, caller should give this node offset only indicating direct node

 * blocks. If any node offsets, which point the other types of node blocks such

 * as indirect or double indirect node blocks, are given, it must be a caller's

 * bug.

 */

block_t start_bidx_of_node(unsigned int node_ofs)

{