diff options
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index e4f53947f51f..fb9d2e2a9e42 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -133,13 +133,14 @@ enum SHIFT_DIRECTION { * criteria the slower the allocation. We start at lower criterias and keep * falling back to higher ones if we are not able to find any blocks. */ -#define EXT4_MB_NUM_CRS 4 +#define EXT4_MB_NUM_CRS 5 /* * All possible allocation criterias for mballoc */ enum criteria { CR0, CR1, + CR1_5, CR2, CR3, }; @@ -185,6 +186,9 @@ enum criteria { #define EXT4_MB_CR0_OPTIMIZED 0x8000 /* Avg fragment size rb tree lookup succeeded at least once for cr = 1 */ #define EXT4_MB_CR1_OPTIMIZED 0x00010000 +/* Avg fragment size rb tree lookup succeeded at least once for cr = 1.5 */ +#define EXT4_MB_CR1_5_OPTIMIZED 0x00020000 + struct ext4_allocation_request { /* target inode for block we're allocating */ struct inode *inode; @@ -1549,6 +1553,7 @@ struct ext4_sb_info { unsigned long s_mb_last_start; unsigned int s_mb_prefetch; unsigned int s_mb_prefetch_limit; + unsigned int s_mb_cr1_5_max_trim_order; /* stats for buddy allocator */ atomic_t s_bal_reqs; /* number of reqs with len > 1 */ @@ -1563,6 +1568,7 @@ struct ext4_sb_info { atomic_t s_bal_2orders; /* 2^order hits */ atomic_t s_bal_cr0_bad_suggestions; atomic_t s_bal_cr1_bad_suggestions; + atomic_t s_bal_cr1_5_bad_suggestions; atomic64_t s_bal_cX_groups_considered[EXT4_MB_NUM_CRS]; atomic64_t s_bal_cX_hits[EXT4_MB_NUM_CRS]; atomic64_t s_bal_cX_failed[EXT4_MB_NUM_CRS]; /* cX loop didn't find blocks */ |