From: Fan Li Date: Wed, 8 Jul 2015 08:02:54 +0000 (+0800) Subject: f2fs: don't try to split extents shorter than F2FS_MIN_EXTENT_LEN X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=3c7df87dad065a4656b13115593c59c8a324a108;p=linux-beck.git f2fs: don't try to split extents shorter than F2FS_MIN_EXTENT_LEN Since only parts of extents longer than F2FS_MIN_EXTENT_LEN will be kept in extent cache after split, extents already shorter than F2FS_MIN_EXTENT_LEN don't need to try split at all. Signed-off-by: Fan Li Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index de55c088948f..ce0d5ec8e770 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -585,7 +585,7 @@ static bool f2fs_update_extent_tree(struct inode *inode, pgoff_t fofs, __detach_extent_node(sbi, et, en); /* 2. if extent can be split more, split and insert the left part */ - if (dei.len > 1) { + if (dei.len > F2FS_MIN_EXTENT_LEN) { /* insert left part of split extent into cache */ if (fofs - dei.fofs >= F2FS_MIN_EXTENT_LEN) { set_extent_info(&ei, dei.fofs, dei.blk,