提交 742916b8 编写于 作者: W Wang Shilong 提交者: Chris Mason

Btrfs: pass gfp_t to __add_prelim_ref() to avoid always using GFP_ATOMIC

Currently, only add_delayed_refs have to allocate with GFP_ATOMIC,
So just pass arg 'gfp_t' to decide which allocation mode.
Signed-off-by: NWang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: NMiao Xie <miaox@cn.fujitsu.com>
Reviewed-by: NJan Schmidt <list.btrfs@jan-o-sch.net>
Signed-off-by: NJosef Bacik <jbacik@fusionio.com>
Signed-off-by: NChris Mason <chris.mason@fusionio.com>
上级 f7171750
......@@ -160,12 +160,12 @@ struct __prelim_ref {
static int __add_prelim_ref(struct list_head *head, u64 root_id,
struct btrfs_key *key, int level,
u64 parent, u64 wanted_disk_byte, int count)
u64 parent, u64 wanted_disk_byte, int count,
gfp_t gfp_mask)
{
struct __prelim_ref *ref;
/* in case we're adding delayed refs, we're holding the refs spinlock */
ref = kmalloc(sizeof(*ref), GFP_ATOMIC);
ref = kmalloc(sizeof(*ref), gfp_mask);
if (!ref)
return -ENOMEM;
......@@ -547,7 +547,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
ref = btrfs_delayed_node_to_tree_ref(node);
ret = __add_prelim_ref(prefs, ref->root, &op_key,
ref->level + 1, 0, node->bytenr,
node->ref_mod * sgn);
node->ref_mod * sgn, GFP_ATOMIC);
break;
}
case BTRFS_SHARED_BLOCK_REF_KEY: {
......@@ -557,7 +557,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
ret = __add_prelim_ref(prefs, ref->root, NULL,
ref->level + 1, ref->parent,
node->bytenr,
node->ref_mod * sgn);
node->ref_mod * sgn, GFP_ATOMIC);
break;
}
case BTRFS_EXTENT_DATA_REF_KEY: {
......@@ -569,7 +569,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
key.offset = ref->offset;
ret = __add_prelim_ref(prefs, ref->root, &key, 0, 0,
node->bytenr,
node->ref_mod * sgn);
node->ref_mod * sgn, GFP_ATOMIC);
break;
}
case BTRFS_SHARED_DATA_REF_KEY: {
......@@ -582,7 +582,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq,
key.offset = ref->offset;
ret = __add_prelim_ref(prefs, ref->root, &key, 0,
ref->parent, node->bytenr,
node->ref_mod * sgn);
node->ref_mod * sgn, GFP_ATOMIC);
break;
}
default:
......@@ -656,7 +656,7 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info,
case BTRFS_SHARED_BLOCK_REF_KEY:
ret = __add_prelim_ref(prefs, 0, NULL,
*info_level + 1, offset,
bytenr, 1);
bytenr, 1, GFP_NOFS);
break;
case BTRFS_SHARED_DATA_REF_KEY: {
struct btrfs_shared_data_ref *sdref;
......@@ -665,13 +665,13 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info,
sdref = (struct btrfs_shared_data_ref *)(iref + 1);
count = btrfs_shared_data_ref_count(leaf, sdref);
ret = __add_prelim_ref(prefs, 0, NULL, 0, offset,
bytenr, count);
bytenr, count, GFP_NOFS);
break;
}
case BTRFS_TREE_BLOCK_REF_KEY:
ret = __add_prelim_ref(prefs, offset, NULL,
*info_level + 1, 0,
bytenr, 1);
bytenr, 1, GFP_NOFS);
break;
case BTRFS_EXTENT_DATA_REF_KEY: {
struct btrfs_extent_data_ref *dref;
......@@ -686,7 +686,7 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info,
key.offset = btrfs_extent_data_ref_offset(leaf, dref);
root = btrfs_extent_data_ref_root(leaf, dref);
ret = __add_prelim_ref(prefs, root, &key, 0, 0,
bytenr, count);
bytenr, count, GFP_NOFS);
break;
}
default:
......@@ -737,7 +737,7 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info,
case BTRFS_SHARED_BLOCK_REF_KEY:
ret = __add_prelim_ref(prefs, 0, NULL,
info_level + 1, key.offset,
bytenr, 1);
bytenr, 1, GFP_NOFS);
break;
case BTRFS_SHARED_DATA_REF_KEY: {
struct btrfs_shared_data_ref *sdref;
......@@ -747,13 +747,13 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info,
struct btrfs_shared_data_ref);
count = btrfs_shared_data_ref_count(leaf, sdref);
ret = __add_prelim_ref(prefs, 0, NULL, 0, key.offset,
bytenr, count);
bytenr, count, GFP_NOFS);
break;
}
case BTRFS_TREE_BLOCK_REF_KEY:
ret = __add_prelim_ref(prefs, key.offset, NULL,
info_level + 1, 0,
bytenr, 1);
bytenr, 1, GFP_NOFS);
break;
case BTRFS_EXTENT_DATA_REF_KEY: {
struct btrfs_extent_data_ref *dref;
......@@ -769,7 +769,7 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info,
key.offset = btrfs_extent_data_ref_offset(leaf, dref);
root = btrfs_extent_data_ref_root(leaf, dref);
ret = __add_prelim_ref(prefs, root, &key, 0, 0,
bytenr, count);
bytenr, count, GFP_NOFS);
break;
}
default:
......
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