diff options
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 1e548b1..03ca84d 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -22,6 +22,7 @@ #include <linux/random.h> #include <linux/bitops.h> #include <linux/blkdev.h> +#include <linux/math64.h> #include <asm/byteorder.h> #include "ext4.h" @@ -349,8 +350,8 @@ static int find_group_flex(struct super_block *sb, struct inode *parent, ext4_group_t ngroups = ext4_get_groups_count(sb); 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; + ext4_fsblk_t blocks_per_flex = sbi->s_blocks_per_group * flex_size; + ext4_fsblk_t flexbg_free_blocks; int flex_freeb_ratio; ext4_group_t n_fbg_groups; ext4_group_t i; @@ -359,8 +360,8 @@ 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_blocks = atomic64_read(&flex_group[best_flex].free_blocks); + flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex); if (atomic_read(&flex_group[best_flex].free_inodes) && flex_freeb_ratio > free_block_ratio) goto found_flexbg; @@ -374,8 +375,8 @@ 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_blocks = atomic64_read(&flex_group[i].free_blocks); + flex_freeb_ratio = div64_u64(flexbg_free_blocks * 100, blocks_per_flex); if (flex_freeb_ratio > free_block_ratio && (atomic_read(&flex_group[i].free_inodes))) { @@ -384,14 +385,14 @@ 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)) && + ((atomic64_read(&flex_group[i].free_blocks) > + atomic64_read(&flex_group[best_flex].free_blocks)) && 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)) + !atomic64_read(&flex_group[best_flex].free_blocks)) return -1; found_flexbg: @@ -410,8 +411,8 @@ out: } struct orlov_stats { + __u64 free_blocks; __u32 free_inodes; - __u32 free_blocks; __u32 used_dirs; }; @@ -428,7 +429,7 @@ 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_blocks = atomic64_read(&flex_group[g].free_blocks); stats->used_dirs = atomic_read(&flex_group[g].used_dirs); return; } |