diff options
Diffstat (limited to 'fs/ext4/mballoc.h')
| -rw-r--r-- | fs/ext4/mballoc.h | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h index 47705f3285e..d634e183b4d 100644 --- a/fs/ext4/mballoc.h +++ b/fs/ext4/mballoc.h @@ -37,18 +37,18 @@ /* */ #ifdef CONFIG_EXT4_DEBUG -extern u8 mb_enable_debug; +extern ushort ext4_mballoc_debug; #define mb_debug(n, fmt, a...) \ do { \ - if ((n) <= mb_enable_debug) { \ + if ((n) <= ext4_mballoc_debug) { \ printk(KERN_DEBUG "(%s, %d): %s: ", \ __FILE__, __LINE__, __func__); \ printk(fmt, ## a); \ } \ } while (0) #else -#define mb_debug(n, fmt, a...) +#define mb_debug(n, fmt, a...) no_printk(fmt, ## a) #endif #define EXT4_MB_HISTORY_ALLOC 1 /* allocation */ @@ -65,11 +65,6 @@ extern u8 mb_enable_debug; #define MB_DEFAULT_MIN_TO_SCAN 10 /* - * How many groups mballoc will scan looking for the best chunk - */ -#define MB_DEFAULT_MAX_GROUPS_TO_SCAN 5 - -/* * with 'ext4_mb_stats' allocator will collect stats that will be * shown at umount. The collecting costs though! */ @@ -96,21 +91,23 @@ extern u8 mb_enable_debug; struct ext4_free_data { - /* this links the free block information from group_info */ - struct rb_node node; + /* MUST be the first member */ + struct ext4_journal_cb_entry efd_jce; + + /* ext4_free_data private data starts from here */ - /* this links the free block information from ext4_sb_info */ - struct list_head list; + /* this links the free block information from group_info */ + struct rb_node efd_node; /* group which free block extent belongs */ - ext4_group_t group; + ext4_group_t efd_group; /* free block extent */ - ext4_grpblk_t start_cluster; - ext4_grpblk_t count; + ext4_grpblk_t efd_start_cluster; + ext4_grpblk_t efd_count; /* transaction which freed this extent */ - tid_t t_tid; + tid_t efd_tid; }; struct ext4_prealloc_space { @@ -178,8 +175,6 @@ struct ext4_allocation_context { /* copy of the best found extent taken before preallocation efforts */ struct ext4_free_extent ac_f_ex; - /* number of iterations done. we have to track to limit searching */ - unsigned long ac_ex_scanned; __u16 ac_groups_scanned; __u16 ac_found; __u16 ac_tail; @@ -210,8 +205,6 @@ struct ext4_buddy { __u16 bd_blkbits; ext4_group_t bd_group; }; -#define EXT4_MB_BITMAP(e4b) ((e4b)->bd_bitmap) -#define EXT4_MB_BUDDY(e4b) ((e4b)->bd_buddy) static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb, struct ext4_free_extent *fex) |