From 021b65bb1e4e4b625c80bbb82651e5e155721ef3 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Fri, 9 Sep 2011 19:08:51 -0400 Subject: ext4: Rename ext4_free_blks_{count,set}() to refer to clusters The field bg_free_blocks_count_{lo,high} in the block group descriptor has been repurposed to hold the number of free clusters for bigalloc functions. So rename the functions so it makes it easier to read and audit the block allocation and block freeing code. Note: at this point in bigalloc development we doesn't support online resize, so this also makes it really obvious all of the places we need to fix up to add support for online resize. Signed-off-by: "Theodore Ts'o" --- fs/ext4/balloc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'fs/ext4/balloc.c') diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index bf42b3219e3..84dc3d62b40 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -168,7 +168,7 @@ void ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh, * essentially implementing a per-group read-only flag. */ if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) { ext4_error(sb, "Checksum bad for group %u", block_group); - ext4_free_blks_set(sb, gdp, 0); + ext4_free_group_clusters_set(sb, gdp, 0); ext4_free_inodes_set(sb, gdp, 0); ext4_itable_unused_set(sb, gdp, 0); memset(bh->b_data, 0xff, sb->s_blocksize); @@ -550,7 +550,7 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb) gdp = ext4_get_group_desc(sb, i, NULL); if (!gdp) continue; - desc_count += ext4_free_blks_count(sb, gdp); + desc_count += ext4_free_group_clusters(sb, gdp); brelse(bitmap_bh); bitmap_bh = ext4_read_block_bitmap(sb, i); if (bitmap_bh == NULL) @@ -558,7 +558,7 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb) x = ext4_count_free(bitmap_bh, sb->s_blocksize); printk(KERN_DEBUG "group %u: stored = %d, counted = %u\n", - i, ext4_free_blks_count(sb, gdp), x); + i, ext4_free_group_clusters(sb, gdp), x); bitmap_count += x; } brelse(bitmap_bh); @@ -572,7 +572,7 @@ ext4_fsblk_t ext4_count_free_blocks(struct super_block *sb) gdp = ext4_get_group_desc(sb, i, NULL); if (!gdp) continue; - desc_count += ext4_free_blks_count(sb, gdp); + desc_count += ext4_free_group_clusters(sb, gdp); } return desc_count; -- cgit v1.2.3