diff options
Diffstat (limited to 'fs/ext4/mballoc.h')
| -rw-r--r-- | fs/ext4/mballoc.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h index acfdc204e15d..bddc0335c261 100644 --- a/fs/ext4/mballoc.h +++ b/fs/ext4/mballoc.h @@ -86,6 +86,13 @@ #define MB_DEFAULT_LINEAR_SCAN_THRESHOLD 16 /* + * The maximum order upto which CR1.5 can trim a particular allocation request. + * Example, if we have an order 7 request and max trim order of 3, CR1.5 can + * trim this upto order 4. + */ +#define MB_DEFAULT_CR1_5_TRIM_ORDER 3 + +/* * Number of valid buddy orders */ #define MB_NUM_ORDERS(sb) ((sb)->s_blocksize_bits + 2) @@ -179,6 +186,12 @@ struct ext4_allocation_context { /* copy of the best found extent taken before preallocation efforts */ struct ext4_free_extent ac_f_ex; + /* + * goal len can change in CR1.5, so save the original len. This is + * used while adjusting the PA window and for accounting. + */ + ext4_grpblk_t ac_orig_goal_len; + __u32 ac_groups_considered; __u32 ac_flags; /* allocation hints */ __u16 ac_groups_scanned; |