From: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Date: Sun, 31 Mar 2013 03:59:53 +0000 (+0900)
Subject: f2fs: allocate new segment aligned with sections
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=33afa7fde0defbb362328233e600e052d0a22cd5;p=linux-beck.git

f2fs: allocate new segment aligned with sections

When allocating a new segment under the LFS mode, we should keep the section
boundary.

Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
---

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 179a13e86f69..b3486f34af78 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -362,7 +362,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
 	if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
 		segno = find_next_zero_bit(free_i->free_segmap,
 					TOTAL_SEGS(sbi), *newseg + 1);
-		if (segno < TOTAL_SEGS(sbi))
+		if (segno - *newseg < sbi->segs_per_sec -
+					(*newseg % sbi->segs_per_sec))
 			goto got_it;
 	}
 find_other_zone: