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Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c81
1 files changed, 12 insertions, 69 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ccdfec6acb75..3f62df50f483 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3591,8 +3591,7 @@ static int ext4_mb_new_preallocation(struct ext4_allocation_context *ac)
*/
static noinline_for_stack int
ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
- struct ext4_prealloc_space *pa,
- struct ext4_allocation_context *ac)
+ struct ext4_prealloc_space *pa)
{
struct super_block *sb = e4b->bd_sb;
struct ext4_sb_info *sbi = EXT4_SB(sb);
@@ -3610,11 +3609,6 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
end = bit + pa->pa_len;
- if (ac) {
- ac->ac_sb = sb;
- ac->ac_inode = pa->pa_inode;
- }
-
while (bit < end) {
bit = mb_find_next_zero_bit(bitmap_bh->b_data, end, bit);
if (bit >= end)
@@ -3625,16 +3619,9 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
(unsigned) next - bit, (unsigned) group);
free += next - bit;
- if (ac) {
- ac->ac_b_ex.fe_group = group;
- ac->ac_b_ex.fe_start = bit;
- ac->ac_b_ex.fe_len = next - bit;
- ac->ac_b_ex.fe_logical = 0;
- trace_ext4_mballoc_discard(ac);
- }
-
- trace_ext4_mb_release_inode_pa(sb, ac, pa, grp_blk_start + bit,
- next - bit);
+ trace_ext4_mballoc_discard(sb, NULL, group, bit, next - bit);
+ trace_ext4_mb_release_inode_pa(sb, pa->pa_inode, pa,
+ grp_blk_start + bit, next - bit);
mb_free_blocks(pa->pa_inode, e4b, bit, next - bit);
bit = next + 1;
}
@@ -3657,29 +3644,19 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
static noinline_for_stack int
ext4_mb_release_group_pa(struct ext4_buddy *e4b,
- struct ext4_prealloc_space *pa,
- struct ext4_allocation_context *ac)
+ struct ext4_prealloc_space *pa)
{
struct super_block *sb = e4b->bd_sb;
ext4_group_t group;
ext4_grpblk_t bit;
- trace_ext4_mb_release_group_pa(sb, ac, pa);
+ trace_ext4_mb_release_group_pa(sb, pa);
BUG_ON(pa->pa_deleted == 0);
ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit);
BUG_ON(group != e4b->bd_group && pa->pa_len != 0);
mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len);
atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded);
-
- if (ac) {
- ac->ac_sb = sb;
- ac->ac_inode = NULL;
- ac->ac_b_ex.fe_group = group;
- ac->ac_b_ex.fe_start = bit;
- ac->ac_b_ex.fe_len = pa->pa_len;
- ac->ac_b_ex.fe_logical = 0;
- trace_ext4_mballoc_discard(ac);
- }
+ trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len);
return 0;
}
@@ -3700,7 +3677,6 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
struct ext4_group_info *grp = ext4_get_group_info(sb, group);
struct buffer_head *bitmap_bh = NULL;
struct ext4_prealloc_space *pa, *tmp;
- struct ext4_allocation_context *ac;
struct list_head list;
struct ext4_buddy e4b;
int err;
@@ -3729,9 +3705,6 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
needed = EXT4_BLOCKS_PER_GROUP(sb) + 1;
INIT_LIST_HEAD(&list);
- ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
- if (ac)
- ac->ac_sb = sb;
repeat:
ext4_lock_group(sb, group);
list_for_each_entry_safe(pa, tmp,
@@ -3786,9 +3759,9 @@ repeat:
spin_unlock(pa->pa_obj_lock);
if (pa->pa_type == MB_GROUP_PA)
- ext4_mb_release_group_pa(&e4b, pa, ac);
+ ext4_mb_release_group_pa(&e4b, pa);
else
- ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa, ac);
+ ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);
list_del(&pa->u.pa_tmp_list);
call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
@@ -3796,8 +3769,6 @@ repeat:
out:
ext4_unlock_group(sb, group);
- if (ac)
- kmem_cache_free(ext4_ac_cachep, ac);
ext4_mb_unload_buddy(&e4b);
put_bh(bitmap_bh);
return free;
@@ -3818,7 +3789,6 @@ void ext4_discard_preallocations(struct inode *inode)
struct super_block *sb = inode->i_sb;
struct buffer_head *bitmap_bh = NULL;
struct ext4_prealloc_space *pa, *tmp;
- struct ext4_allocation_context *ac;
ext4_group_t group = 0;
struct list_head list;
struct ext4_buddy e4b;
@@ -3834,11 +3804,6 @@ void ext4_discard_preallocations(struct inode *inode)
INIT_LIST_HEAD(&list);
- ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
- if (ac) {
- ac->ac_sb = sb;
- ac->ac_inode = inode;
- }
repeat:
/* first, collect all pa's in the inode */
spin_lock(&ei->i_prealloc_lock);
@@ -3908,7 +3873,7 @@ repeat:
ext4_lock_group(sb, group);
list_del(&pa->pa_group_list);
- ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa, ac);
+ ext4_mb_release_inode_pa(&e4b, bitmap_bh, pa);
ext4_unlock_group(sb, group);
ext4_mb_unload_buddy(&e4b);
@@ -3917,8 +3882,6 @@ repeat:
list_del(&pa->u.pa_tmp_list);
call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
}
- if (ac)
- kmem_cache_free(ext4_ac_cachep, ac);
}
/*
@@ -4116,14 +4079,10 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
struct ext4_buddy e4b;
struct list_head discard_list;
struct ext4_prealloc_space *pa, *tmp;
- struct ext4_allocation_context *ac;
mb_debug(1, "discard locality group preallocation\n");
INIT_LIST_HEAD(&discard_list);
- ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
- if (ac)
- ac->ac_sb = sb;
spin_lock(&lg->lg_prealloc_lock);
list_for_each_entry_rcu(pa, &lg->lg_prealloc_list[order],
@@ -4175,15 +4134,13 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
}
ext4_lock_group(sb, group);
list_del(&pa->pa_group_list);
- ext4_mb_release_group_pa(&e4b, pa, ac);
+ ext4_mb_release_group_pa(&e4b, pa);
ext4_unlock_group(sb, group);
ext4_mb_unload_buddy(&e4b);
list_del(&pa->u.pa_tmp_list);
call_rcu(&(pa)->u.pa_rcu, ext4_mb_pa_callback);
}
- if (ac)
- kmem_cache_free(ext4_ac_cachep, ac);
}
/*
@@ -4547,7 +4504,6 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
{
struct buffer_head *bitmap_bh = NULL;
struct super_block *sb = inode->i_sb;
- struct ext4_allocation_context *ac = NULL;
struct ext4_group_desc *gdp;
unsigned long freed = 0;
unsigned int overflow;
@@ -4602,12 +4558,6 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
if (!ext4_should_writeback_data(inode))
flags |= EXT4_FREE_BLOCKS_METADATA;
- ac = kmem_cache_alloc(ext4_ac_cachep, GFP_NOFS);
- if (ac) {
- ac->ac_inode = inode;
- ac->ac_sb = sb;
- }
-
do_more:
overflow = 0;
ext4_get_group_no_and_offset(sb, block, &block_group, &bit);
@@ -4665,12 +4615,7 @@ do_more:
BUG_ON(!mb_test_bit(bit + i, bitmap_bh->b_data));
}
#endif
- if (ac) {
- ac->ac_b_ex.fe_group = block_group;
- ac->ac_b_ex.fe_start = bit;
- ac->ac_b_ex.fe_len = count;
- trace_ext4_mballoc_free(ac);
- }
+ trace_ext4_mballoc_free(sb, inode, block_group, bit, count);
err = ext4_mb_load_buddy(sb, block_group, &e4b);
if (err)
@@ -4741,7 +4686,5 @@ error_return:
dquot_free_block(inode, freed);
brelse(bitmap_bh);
ext4_std_error(sb, err);
- if (ac)
- kmem_cache_free(ext4_ac_cachep, ac);
return;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-17 18:11:46 +0000