f2fs: introduce TOTAL_SECS macro

Let's use a macro to get the total number of sections.

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

diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 025b9e2..20b8794 100644 (file)
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -106,7 +106,7 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
                }
        }
        mutex_unlock(&sit_i->sentry_lock);
-       dist = sbi->total_sections * hblks_per_sec * hblks_per_sec / 100;
+       dist = TOTAL_SECS(sbi) * hblks_per_sec * hblks_per_sec / 100;
        si->bimodal = bimodal / dist;
        if (si->dirty_count)
                si->avg_vblocks = total_vblocks / ndirty;
@@ -138,14 +138,13 @@ static void update_mem_info(struct f2fs_sb_info *sbi)
        si->base_mem += f2fs_bitmap_size(TOTAL_SEGS(sbi));
        si->base_mem += 2 * SIT_VBLOCK_MAP_SIZE * TOTAL_SEGS(sbi);
        if (sbi->segs_per_sec > 1)
-               si->base_mem += sbi->total_sections *
-                       sizeof(struct sec_entry);
+               si->base_mem += TOTAL_SECS(sbi) * sizeof(struct sec_entry);
        si->base_mem += __bitmap_size(sbi, SIT_BITMAP);
 
        /* build free segmap */
        si->base_mem += sizeof(struct free_segmap_info);
        si->base_mem += f2fs_bitmap_size(TOTAL_SEGS(sbi));
-       si->base_mem += f2fs_bitmap_size(sbi->total_sections);
+       si->base_mem += f2fs_bitmap_size(TOTAL_SECS(sbi));
 
        /* build curseg */
        si->base_mem += sizeof(struct curseg_info) * NR_CURSEG_TYPE;

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1758149..179a13e 100644 (file)
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -348,9 +348,8 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
                        unsigned int *newseg, bool new_sec, int dir)
 {
        struct free_segmap_info *free_i = FREE_I(sbi);
-       unsigned int total_secs = sbi->total_sections;
        unsigned int segno, secno, zoneno;
-       unsigned int total_zones = sbi->total_sections / sbi->secs_per_zone;
+       unsigned int total_zones = TOTAL_SECS(sbi) / sbi->secs_per_zone;
        unsigned int hint = *newseg / sbi->segs_per_sec;
        unsigned int old_zoneno = GET_ZONENO_FROM_SEGNO(sbi, *newseg);
        unsigned int left_start = hint;
@@ -367,12 +366,12 @@ static void get_new_segment(struct f2fs_sb_info *sbi,
                        goto got_it;
        }
 find_other_zone:
-       secno = find_next_zero_bit(free_i->free_secmap, total_secs, hint);
-       if (secno >= total_secs) {
+       secno = find_next_zero_bit(free_i->free_secmap, TOTAL_SECS(sbi), hint);
+       if (secno >= TOTAL_SECS(sbi)) {
                if (dir == ALLOC_RIGHT) {
                        secno = find_next_zero_bit(free_i->free_secmap,
-                                               total_secs, 0);
-                       BUG_ON(secno >= total_secs);
+                                                       TOTAL_SECS(sbi), 0);
+                       BUG_ON(secno >= TOTAL_SECS(sbi));
                } else {
                        go_left = 1;
                        left_start = hint - 1;
@@ -387,8 +386,8 @@ find_other_zone:
                        continue;
                }
                left_start = find_next_zero_bit(free_i->free_secmap,
-                                               total_secs, 0);
-               BUG_ON(left_start >= total_secs);
+                                                       TOTAL_SECS(sbi), 0);
+               BUG_ON(left_start >= TOTAL_SECS(sbi));
                break;
        }
        secno = left_start;
@@ -1390,7 +1389,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
        }
 
        if (sbi->segs_per_sec > 1) {
-               sit_i->sec_entries = vzalloc(sbi->total_sections *
+               sit_i->sec_entries = vzalloc(TOTAL_SECS(sbi) *
                                        sizeof(struct sec_entry));
                if (!sit_i->sec_entries)
                        return -ENOMEM;
@@ -1441,7 +1440,7 @@ static int build_free_segmap(struct f2fs_sb_info *sbi)
        if (!free_i->free_segmap)
                return -ENOMEM;
 
-       sec_bitmap_size = f2fs_bitmap_size(sbi->total_sections);
+       sec_bitmap_size = f2fs_bitmap_size(TOTAL_SECS(sbi));
        free_i->free_secmap = kmalloc(sec_bitmap_size, GFP_KERNEL);
        if (!free_i->free_secmap)
                return -ENOMEM;

diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index c0d7740..fea9245 100644 (file)
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -81,6 +81,7 @@
 #define f2fs_bitmap_size(nr)                   \
        (BITS_TO_LONGS(nr) * sizeof(unsigned long))
 #define TOTAL_SEGS(sbi)        (SM_I(sbi)->main_segments)
+#define TOTAL_SECS(sbi)        (sbi->total_sections)
 
 #define SECTOR_FROM_BLOCK(sbi, blk_addr)                               \
        (blk_addr << ((sbi)->log_blocksize - F2FS_LOG_SECTOR_SIZE))