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Btrfs: Don't use spin*lock_irq for the delalloc lock

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The delalloc lock doesn't need to have irqs disabled, nobody that
changes the number of delalloc bytes in the FS is running with irqs off.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-12-15 15:54:40 -05:00
parent 42dc7babdc
commit 75eff68ea6
2 changed files with 26 additions and 20 deletions
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12
fs/btrfs/extent-tree.c
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@@ -1047,11 +1047,11 @@ search:
end = pos;
/* update the free space counters */
spin_lock_irq(&info->delalloc_lock);
spin_lock(&info->delalloc_lock);
super_used = btrfs_super_bytes_used(&info->super_copy);
btrfs_set_super_bytes_used(&info->super_copy,
super_used - bytes_freed);
spin_unlock_irq(&info->delalloc_lock);
spin_unlock(&info->delalloc_lock);
root_used = btrfs_root_used(&extent_root->root_item);
btrfs_set_root_used(&extent_root->root_item,
@@ -2463,11 +2463,11 @@ static int __free_extent(struct btrfs_trans_handle *trans,
BUG_ON(ret < 0);
}
/* block accounting for super block */
spin_lock_irq(&info->delalloc_lock);
spin_lock(&info->delalloc_lock);
super_used = btrfs_super_bytes_used(&info->super_copy);
btrfs_set_super_bytes_used(&info->super_copy,
super_used - num_bytes);
spin_unlock_irq(&info->delalloc_lock);
spin_unlock(&info->delalloc_lock);
/* block accounting for root item */
root_used = btrfs_root_used(&root->root_item);
@@ -3151,10 +3151,10 @@ static int __btrfs_alloc_reserved_extent(struct btrfs_trans_handle *trans,
parent = ins->objectid;
/* block accounting for super block */
spin_lock_irq(&info->delalloc_lock);
spin_lock(&info->delalloc_lock);
super_used = btrfs_super_bytes_used(&info->super_copy);
btrfs_set_super_bytes_used(&info->super_copy, super_used + num_bytes);
spin_unlock_irq(&info->delalloc_lock);
spin_unlock(&info->delalloc_lock);
/* block accounting for root item */
root_used = btrfs_root_used(&root->root_item);