diff options
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 58115bad163..0be5862313f 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -346,7 +346,7 @@ static int find_group_flex(struct super_block *sb, struct inode *parent, int flex_size = ext4_flex_bg_size(sbi); ext4_group_t best_flex = parent_fbg_group; int blocks_per_flex = sbi->s_blocks_per_group * flex_size; - int flexbg_free_blocks; + int flexbg_free_clusters; int flex_freeb_ratio; ext4_group_t n_fbg_groups; ext4_group_t i; @@ -355,8 +355,9 @@ static int find_group_flex(struct super_block *sb, struct inode *parent, sbi->s_log_groups_per_flex; find_close_to_parent: - flexbg_free_blocks = atomic_read(&flex_group[best_flex].free_blocks); - flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex; + flexbg_free_clusters = atomic_read(&flex_group[best_flex].free_clusters); + flex_freeb_ratio = EXT4_C2B(sbi, flexbg_free_clusters) * 100 / + blocks_per_flex; if (atomic_read(&flex_group[best_flex].free_inodes) && flex_freeb_ratio > free_block_ratio) goto found_flexbg; @@ -370,8 +371,9 @@ find_close_to_parent: if (i == parent_fbg_group || i == parent_fbg_group - 1) continue; - flexbg_free_blocks = atomic_read(&flex_group[i].free_blocks); - flex_freeb_ratio = flexbg_free_blocks * 100 / blocks_per_flex; + flexbg_free_clusters = atomic_read(&flex_group[i].free_clusters); + flex_freeb_ratio = EXT4_C2B(sbi, flexbg_free_clusters) * 100 / + blocks_per_flex; if (flex_freeb_ratio > free_block_ratio && (atomic_read(&flex_group[i].free_inodes))) { @@ -380,14 +382,14 @@ find_close_to_parent: } if ((atomic_read(&flex_group[best_flex].free_inodes) == 0) || - ((atomic_read(&flex_group[i].free_blocks) > - atomic_read(&flex_group[best_flex].free_blocks)) && + ((atomic_read(&flex_group[i].free_clusters) > + atomic_read(&flex_group[best_flex].free_clusters)) && atomic_read(&flex_group[i].free_inodes))) best_flex = i; } if (!atomic_read(&flex_group[best_flex].free_inodes) || - !atomic_read(&flex_group[best_flex].free_blocks)) + !atomic_read(&flex_group[best_flex].free_clusters)) return -1; found_flexbg: @@ -407,7 +409,7 @@ out: struct orlov_stats { __u32 free_inodes; - __u32 free_blocks; + __u32 free_clusters; __u32 used_dirs; }; @@ -424,7 +426,7 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g, if (flex_size > 1) { stats->free_inodes = atomic_read(&flex_group[g].free_inodes); - stats->free_blocks = atomic_read(&flex_group[g].free_blocks); + stats->free_clusters = atomic_read(&flex_group[g].free_clusters); stats->used_dirs = atomic_read(&flex_group[g].used_dirs); return; } @@ -432,11 +434,11 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g, desc = ext4_get_group_desc(sb, g, NULL); if (desc) { stats->free_inodes = ext4_free_inodes_count(sb, desc); - stats->free_blocks = ext4_free_blks_count(sb, desc); + stats->free_clusters = ext4_free_blks_count(sb, desc); stats->used_dirs = ext4_used_dirs_count(sb, desc); } else { stats->free_inodes = 0; - stats->free_blocks = 0; + stats->free_clusters = 0; stats->used_dirs = 0; } } @@ -471,10 +473,10 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, ext4_group_t real_ngroups = ext4_get_groups_count(sb); int inodes_per_group = EXT4_INODES_PER_GROUP(sb); unsigned int freei, avefreei; - ext4_fsblk_t freeb, avefreeb; + ext4_fsblk_t freeb, avefreec; unsigned int ndirs; int max_dirs, min_inodes; - ext4_grpblk_t min_blocks; + ext4_grpblk_t min_clusters; ext4_group_t i, grp, g, ngroups; struct ext4_group_desc *desc; struct orlov_stats stats; @@ -492,8 +494,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, avefreei = freei / ngroups; freeb = EXT4_C2B(sbi, percpu_counter_read_positive(&sbi->s_freeclusters_counter)); - avefreeb = freeb; - do_div(avefreeb, ngroups); + avefreec = freeb; + do_div(avefreec, ngroups); ndirs = percpu_counter_read_positive(&sbi->s_dirs_counter); if (S_ISDIR(mode) && @@ -519,7 +521,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, continue; if (stats.free_inodes < avefreei) continue; - if (stats.free_blocks < avefreeb) + if (stats.free_clusters < avefreec) continue; grp = g; ret = 0; @@ -557,7 +559,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, min_inodes = avefreei - inodes_per_group*flex_size / 4; if (min_inodes < 1) min_inodes = 1; - min_blocks = avefreeb - EXT4_BLOCKS_PER_GROUP(sb)*flex_size / 4; + min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; /* * Start looking in the flex group where we last allocated an @@ -576,7 +578,7 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, continue; if (stats.free_inodes < min_inodes) continue; - if (stats.free_blocks < min_blocks) + if (stats.free_clusters < min_clusters) continue; goto found_flex_bg; } |