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authorOlaf Hering <ohering@suse.de>2019-05-16 19:01:16 +0200
committerOlaf Hering <ohering@suse.de>2019-05-16 19:01:16 +0200
commit85a6d19eaca902a7408cee94fe4a41ed82d971e6 (patch)
treec8e3c8ab4e00ae1b5c13d156f171ec7d9c940b84
parent6686fbd5b417ca251db2daa3563a6e74862bb3c0 (diff)
parentfd0bf00a8aa65e95dd9f99afe68fcbc568beb6bc (diff)
Merge remote-tracking branch 'kerncvs/SLE15' into SLE15-AZURE
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c5
-rw-r--r--drivers/net/ethernet/cavium/thunder/nicvf_queues.c30
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/ring_mode.c5
-rw-r--r--drivers/net/tun.c16
-rw-r--r--drivers/net/vxlan.c4
-rw-r--r--drivers/pci/quirks.c2
-rw-r--r--drivers/video/backlight/lm3630a_bl.c4
-rw-r--r--fs/btrfs/ctree.h7
-rw-r--r--fs/btrfs/delayed-ref.c40
-rw-r--r--fs/btrfs/delayed-ref.h7
-rw-r--r--fs/btrfs/extent-tree.c189
-rw-r--r--fs/btrfs/file.c41
-rw-r--r--fs/btrfs/inode.c23
-rw-r--r--fs/btrfs/ioctl.c15
-rw-r--r--fs/btrfs/relocation.c66
-rw-r--r--fs/btrfs/tree-log.c12
-rw-r--r--fs/cifs/cifsglob.h2
-rw-r--r--fs/cifs/file.c30
-rw-r--r--fs/cifs/misc.c25
-rw-r--r--fs/cifs/smb2misc.c6
-rw-r--r--include/net/sctp/checksum.h2
-rw-r--r--include/net/sock.h6
-rw-r--r--net/dccp/ipv6.c4
-rw-r--r--net/ipv6/tcp_ipv6.c8
-rw-r--r--net/netlink/genetlink.c3
-rw-r--r--net/packet/af_packet.c2
-rw-r--r--net/rose/rose_subr.c21
27 files changed, 362 insertions, 213 deletions
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index d6f924cdcda4..e0c6299fff92 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -231,11 +231,12 @@ int aq_ring_rx_clean(struct aq_ring_s *self, int *work_done, int budget)
} else {
if (buff->is_ip_cso) {
__skb_incr_checksum_unnecessary(skb);
- if (buff->is_udp_cso || buff->is_tcp_cso)
- __skb_incr_checksum_unnecessary(skb);
} else {
skb->ip_summed = CHECKSUM_NONE;
}
+
+ if (buff->is_udp_cso || buff->is_tcp_cso)
+ __skb_incr_checksum_unnecessary(skb);
}
skb_set_hash(skb, buff->rss_hash,
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
index 26006c51e833..701db93da1d6 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c
@@ -105,20 +105,19 @@ static inline struct pgcache *nicvf_alloc_page(struct nicvf *nic,
/* Check if page can be recycled */
if (page) {
ref_count = page_ref_count(page);
- /* Check if this page has been used once i.e 'put_page'
- * called after packet transmission i.e internal ref_count
- * and page's ref_count are equal i.e page can be recycled.
+ /* This page can be recycled if internal ref_count and page's
+ * ref_count are equal, indicating that the page has been used
+ * once for packet transmission. For non-XDP mode, internal
+ * ref_count is always '1'.
*/
- if (rbdr->is_xdp && (ref_count == pgcache->ref_count))
- pgcache->ref_count--;
- else
- page = NULL;
-
- /* In non-XDP mode, page's ref_count needs to be '1' for it
- * to be recycled.
- */
- if (!rbdr->is_xdp && (ref_count != 1))
+ if (rbdr->is_xdp) {
+ if (ref_count == pgcache->ref_count)
+ pgcache->ref_count--;
+ else
+ page = NULL;
+ } else if (ref_count != 1) {
page = NULL;
+ }
}
if (!page) {
@@ -365,11 +364,10 @@ static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr)
while (head < rbdr->pgcnt) {
pgcache = &rbdr->pgcache[head];
if (pgcache->page && page_ref_count(pgcache->page) != 0) {
- if (!rbdr->is_xdp) {
- put_page(pgcache->page);
- continue;
+ if (rbdr->is_xdp) {
+ page_ref_sub(pgcache->page,
+ pgcache->ref_count - 1);
}
- page_ref_sub(pgcache->page, pgcache->ref_count - 1);
put_page(pgcache->page);
}
head++;
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index 28e4b5d50ce6..34253c2de156 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -114,10 +114,11 @@ static unsigned int stmmac_is_jumbo_frm(int len, int enh_desc)
static void stmmac_refill_desc3(void *priv_ptr, struct dma_desc *p)
{
- struct stmmac_priv *priv = (struct stmmac_priv *)priv_ptr;
+ struct stmmac_rx_queue *rx_q = priv_ptr;
+ struct stmmac_priv *priv = rx_q->priv_data;
/* Fill DES3 in case of RING mode */
- if (priv->dma_buf_sz >= BUF_SIZE_8KiB)
+ if (priv->dma_buf_sz == BUF_SIZE_16KiB)
p->des3 = cpu_to_le32(le32_to_cpu(p->des2) + BUF_SIZE_8KiB);
}
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 0f8ef7994508..0712c20fa895 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1220,9 +1220,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
int err;
u32 rxhash;
- if (!(tun->dev->flags & IFF_UP))
- return -EIO;
-
if (!(tun->flags & IFF_NO_PI)) {
if (len < sizeof(pi))
return -EINVAL;
@@ -1297,9 +1294,11 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
err = skb_copy_datagram_from_iter(skb, 0, from, len);
if (err) {
+ err = -EFAULT;
+drop:
this_cpu_inc(tun->pcpu_stats->rx_dropped);
kfree_skb(skb);
- return -EFAULT;
+ return err;
}
if (virtio_net_hdr_to_skb(skb, &gso, tun_is_little_endian(tun))) {
@@ -1350,11 +1349,20 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
skb_probe_transport_header(skb, 0);
rxhash = skb_get_hash(skb);
+
+ rcu_read_lock();
+ if (unlikely(!(tun->dev->flags & IFF_UP))) {
+ err = -EIO;
+ rcu_read_unlock();
+ goto drop;
+ }
+
#ifndef CONFIG_4KSTACKS
tun_rx_batched(tun, tfile, skb, more);
#else
netif_rx_ni(skb);
#endif
+ rcu_read_unlock();
stats = get_cpu_ptr(tun->pcpu_stats);
u64_stats_update_begin(&stats->syncp);
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 3f2296bb327b..7c67b6af5939 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -3645,10 +3645,8 @@ static void __net_exit vxlan_exit_net(struct net *net)
/* If vxlan->dev is in the same netns, it has already been added
* to the list by the previous loop.
*/
- if (!net_eq(dev_net(vxlan->dev), net)) {
- gro_cells_destroy(&vxlan->gro_cells);
+ if (!net_eq(dev_net(vxlan->dev), net))
unregister_netdevice_queue(vxlan->dev, &list);
- }
}
unregister_netdevice_many(&list);
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 4cc3efb44ffb..5e40d91b8a20 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3374,6 +3374,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset);
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset);
/*
* Root port on some Cavium CN8xxx chips do not successfully complete a bus
@@ -4983,6 +4984,7 @@ static void quirk_no_ats(struct pci_dev *pdev)
/* AMD Stoney platform GPU */
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats);
#endif /* CONFIG_PCI_ATS */
static void quirk_no_ext_tags(struct pci_dev *pdev)
diff --git a/drivers/video/backlight/lm3630a_bl.c b/drivers/video/backlight/lm3630a_bl.c
index 2030a6b77a09..ef2553f452ca 100644
--- a/drivers/video/backlight/lm3630a_bl.c
+++ b/drivers/video/backlight/lm3630a_bl.c
@@ -201,7 +201,7 @@ static int lm3630a_bank_a_update_status(struct backlight_device *bl)
LM3630A_LEDA_ENABLE, LM3630A_LEDA_ENABLE);
if (ret < 0)
goto out_i2c_err;
- return bl->props.brightness;
+ return 0;
out_i2c_err:
dev_err(pchip->dev, "i2c failed to access\n");
@@ -278,7 +278,7 @@ static int lm3630a_bank_b_update_status(struct backlight_device *bl)
LM3630A_LEDB_ENABLE, LM3630A_LEDB_ENABLE);
if (ret < 0)
goto out_i2c_err;
- return bl->props.brightness;
+ return 0;
out_i2c_err:
dev_err(pchip->dev, "i2c failed to access REG_CTRL\n");
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0f8bafd5c19d..ad071b77c04a 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -54,6 +54,7 @@ extern struct kmem_cache *btrfs_bit_radix_cachep;
extern struct kmem_cache *btrfs_path_cachep;
extern struct kmem_cache *btrfs_free_space_cachep;
struct btrfs_ordered_sum;
+struct btrfs_ref;
#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
#define STATIC noinline
@@ -2720,8 +2721,7 @@ int btrfs_set_disk_extent_flags(struct btrfs_trans_handle *trans,
int level, int is_data);
int btrfs_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
- u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid,
- u64 owner, u64 offset);
+ struct btrfs_ref *ref);
int btrfs_free_reserved_extent(struct btrfs_fs_info *fs_info,
u64 start, u64 len, int delalloc);
@@ -2732,8 +2732,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
- u64 bytenr, u64 num_bytes, u64 parent,
- u64 root_objectid, u64 owner, u64 offset);
+ struct btrfs_ref *generic_ref);
int btrfs_start_dirty_block_groups(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info);
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c
index 39b397cb38c8..869af3f28f9e 100644
--- a/fs/btrfs/delayed-ref.c
+++ b/fs/btrfs/delayed-ref.c
@@ -717,8 +717,7 @@ static void init_delayed_ref_common(struct btrfs_fs_info *fs_info,
*/
int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
- u64 bytenr, u64 num_bytes, u64 parent,
- u64 ref_root, int level, int action,
+ struct btrfs_ref *generic_ref,
struct btrfs_delayed_extent_op *extent_op,
int *old_ref_mod, int *new_ref_mod)
{
@@ -726,10 +725,18 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
struct btrfs_delayed_ref_head *head_ref;
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_qgroup_extent_record *record = NULL;
- bool is_system = (ref_root == BTRFS_CHUNK_TREE_OBJECTID);
+ bool is_system;
+ int action = generic_ref->action;
+ int level = generic_ref->tree_ref.level;
int ret;
+ u64 bytenr = generic_ref->bytenr;
+ u64 num_bytes = generic_ref->len;
+ u64 parent = generic_ref->parent;
u8 ref_type;
+ is_system = (generic_ref->real_root == BTRFS_CHUNK_TREE_OBJECTID);
+
+ ASSERT(generic_ref->type == BTRFS_REF_METADATA && generic_ref->action);
BUG_ON(extent_op && extent_op->is_data);
ref = kmem_cache_alloc(btrfs_delayed_tree_ref_cachep, GFP_NOFS);
if (!ref)
@@ -740,8 +747,8 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
else
ref_type = BTRFS_TREE_BLOCK_REF_KEY;
init_delayed_ref_common(fs_info, &ref->node, bytenr, num_bytes,
- ref_root, action, ref_type);
- ref->root = ref_root;
+ generic_ref->tree_ref.root, action, ref_type);
+ ref->root = generic_ref->tree_ref.root;
ref->parent = parent;
ref->level = level;
@@ -750,14 +757,17 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
goto free_ref;
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
- is_fstree(ref_root)) {
+ is_fstree(generic_ref->real_root) &&
+ is_fstree(generic_ref->tree_ref.root) &&
+ !generic_ref->skip_qgroup) {
record = kzalloc(sizeof(*record), GFP_NOFS);
if (!record)
goto free_head_ref;
}
init_delayed_ref_head(head_ref, record, bytenr, num_bytes,
- ref_root, 0, action, false, is_system);
+ generic_ref->tree_ref.root, 0, action, false,
+ is_system);
head_ref->extent_op = extent_op;
delayed_refs = &trans->transaction->delayed_refs;
@@ -795,18 +805,24 @@ free_ref:
*/
int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
- u64 bytenr, u64 num_bytes,
- u64 parent, u64 ref_root,
- u64 owner, u64 offset, u64 reserved, int action,
+ struct btrfs_ref *generic_ref, u64 reserved,
int *old_ref_mod, int *new_ref_mod)
{
struct btrfs_delayed_data_ref *ref;
struct btrfs_delayed_ref_head *head_ref;
struct btrfs_delayed_ref_root *delayed_refs;
struct btrfs_qgroup_extent_record *record = NULL;
+ int action = generic_ref->action;
int ret;
+ u64 bytenr = generic_ref->bytenr;
+ u64 num_bytes = generic_ref->len;
+ u64 parent = generic_ref->parent;
+ u64 ref_root = generic_ref->data_ref.ref_root;
+ u64 owner = generic_ref->data_ref.ino;
+ u64 offset = generic_ref->data_ref.offset;
u8 ref_type;
+ ASSERT(generic_ref->type == BTRFS_REF_DATA && action);
ref = kmem_cache_alloc(btrfs_delayed_data_ref_cachep, GFP_NOFS);
if (!ref)
return -ENOMEM;
@@ -830,7 +846,9 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
}
if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) &&
- is_fstree(ref_root)) {
+ is_fstree(ref_root) &&
+ is_fstree(generic_ref->real_root) &&
+ !generic_ref->skip_qgroup) {
record = kzalloc(sizeof(*record), GFP_NOFS);
if (!record) {
kmem_cache_free(btrfs_delayed_data_ref_cachep, ref);
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h
index 19e553863539..d07ceb077d8a 100644
--- a/fs/btrfs/delayed-ref.h
+++ b/fs/btrfs/delayed-ref.h
@@ -346,15 +346,12 @@ static inline void btrfs_put_delayed_ref_head(struct btrfs_delayed_ref_head *hea
int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
- u64 bytenr, u64 num_bytes, u64 parent,
- u64 ref_root, int level, int action,
+ struct btrfs_ref *generic_ref,
struct btrfs_delayed_extent_op *extent_op,
int *old_ref_mod, int *new_ref_mod);
int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
- u64 bytenr, u64 num_bytes,
- u64 parent, u64 ref_root,
- u64 owner, u64 offset, u64 reserved, int action,
+ struct btrfs_ref *generic_ref, u64 reserved,
int *old_ref_mod, int *new_ref_mod);
int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info,
struct btrfs_trans_handle *trans,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e7498a453092..7b914c07c972 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -769,24 +769,37 @@ static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info,
return NULL;
}
-static void add_pinned_bytes(struct btrfs_fs_info *fs_info, s64 num_bytes,
- u64 owner, u64 root_objectid)
+static u64 generic_ref_to_space_flags(struct btrfs_ref *ref)
+{
+ if (ref->type == BTRFS_REF_METADATA) {
+ if (ref->tree_ref.root == BTRFS_CHUNK_TREE_OBJECTID)
+ return BTRFS_BLOCK_GROUP_SYSTEM;
+ else
+ return BTRFS_BLOCK_GROUP_METADATA;
+ }
+ return BTRFS_BLOCK_GROUP_DATA;
+}
+
+static void add_pinned_bytes(struct btrfs_fs_info *fs_info,
+ struct btrfs_ref *ref)
{
struct btrfs_space_info *space_info;
- u64 flags;
+ u64 flags = generic_ref_to_space_flags(ref);
- if (owner < BTRFS_FIRST_FREE_OBJECTID) {
- if (root_objectid == BTRFS_CHUNK_TREE_OBJECTID)
- flags = BTRFS_BLOCK_GROUP_SYSTEM;
- else
- flags = BTRFS_BLOCK_GROUP_METADATA;
- } else {
- flags = BTRFS_BLOCK_GROUP_DATA;
- }
+ space_info = __find_space_info(fs_info, flags);
+ ASSERT(space_info);
+ percpu_counter_add(&space_info->total_bytes_pinned, ref->len);
+}
+
+static void sub_pinned_bytes(struct btrfs_fs_info *fs_info,
+ struct btrfs_ref *ref)
+{
+ struct btrfs_space_info *space_info;
+ u64 flags = generic_ref_to_space_flags(ref);
space_info = __find_space_info(fs_info, flags);
ASSERT(space_info);
- percpu_counter_add(&space_info->total_bytes_pinned, num_bytes);
+ percpu_counter_add(&space_info->total_bytes_pinned, -ref->len);
}
/*
@@ -2112,31 +2125,25 @@ int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr,
/* Can return -ENOMEM */
int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
- u64 bytenr, u64 num_bytes, u64 parent,
- u64 root_objectid, u64 owner, u64 offset)
+ struct btrfs_ref *generic_ref)
{
int old_ref_mod, new_ref_mod;
int ret;
- BUG_ON(owner < BTRFS_FIRST_FREE_OBJECTID &&
- root_objectid == BTRFS_TREE_LOG_OBJECTID);
+ ASSERT(generic_ref->type != BTRFS_REF_NOT_SET &&
+ generic_ref->action);
+ BUG_ON(generic_ref->type == BTRFS_REF_METADATA &&
+ generic_ref->tree_ref.root == BTRFS_TREE_LOG_OBJECTID);
- if (owner < BTRFS_FIRST_FREE_OBJECTID) {
- ret = btrfs_add_delayed_tree_ref(fs_info, trans, bytenr,
- num_bytes, parent,
- root_objectid, (int)owner,
- BTRFS_ADD_DELAYED_REF, NULL,
- &old_ref_mod, &new_ref_mod);
- } else {
- ret = btrfs_add_delayed_data_ref(fs_info, trans, bytenr,
- num_bytes, parent,
- root_objectid, owner, offset,
- 0, BTRFS_ADD_DELAYED_REF,
+ if (generic_ref->type == BTRFS_REF_METADATA)
+ ret = btrfs_add_delayed_tree_ref(fs_info, trans, generic_ref,
+ NULL, &old_ref_mod, &new_ref_mod);
+ else
+ ret = btrfs_add_delayed_data_ref(fs_info, trans, generic_ref, 0,
&old_ref_mod, &new_ref_mod);
- }
if (ret == 0 && old_ref_mod < 0 && new_ref_mod >= 0)
- add_pinned_bytes(fs_info, -num_bytes, owner, root_objectid);
+ sub_pinned_bytes(fs_info, generic_ref);
return ret;
}
@@ -3255,7 +3262,10 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
u32 nritems;
struct btrfs_key key;
struct btrfs_file_extent_item *fi;
+ struct btrfs_ref generic_ref = { 0 };
+ bool for_reloc = btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC);
int i;
+ int action;
int level;
int ret = 0;
@@ -3273,6 +3283,10 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
parent = buf->start;
else
parent = 0;
+ if (inc)
+ action = BTRFS_ADD_DELAYED_REF;
+ else
+ action = BTRFS_DROP_DELAYED_REF;
for (i = 0; i < nritems; i++) {
if (level == 0) {
@@ -3290,27 +3304,34 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans,
num_bytes = btrfs_file_extent_disk_num_bytes(buf, fi);
key.offset -= btrfs_file_extent_offset(buf, fi);
+ btrfs_init_generic_ref(&generic_ref, action, bytenr,
+ num_bytes, parent);
+ btrfs_init_data_ref(&generic_ref, ref_root, key.objectid,
+ key.offset);
+ generic_ref.real_root = root->root_key.objectid;
+ generic_ref.skip_qgroup = for_reloc;
if (inc)
- ret = btrfs_inc_extent_ref(trans, fs_info, bytenr,
- num_bytes, parent, ref_root,
- key.objectid, key.offset);
+ ret = btrfs_inc_extent_ref(trans, fs_info,
+ &generic_ref);
else
- ret = btrfs_free_extent(trans, fs_info, bytenr,
- num_bytes, parent, ref_root,
- key.objectid, key.offset);
+ ret = btrfs_free_extent(trans, fs_info,
+ &generic_ref);
if (ret)
goto fail;
} else {
bytenr = btrfs_node_blockptr(buf, i);
num_bytes = fs_info->nodesize;
+ btrfs_init_generic_ref(&generic_ref, action, bytenr,
+ num_bytes, parent);
+ generic_ref.real_root = root->root_key.objectid;
+ btrfs_init_tree_ref(&generic_ref, level - 1, ref_root);
+ generic_ref.skip_qgroup = for_reloc;
if (inc)
- ret = btrfs_inc_extent_ref(trans, fs_info, bytenr,
- num_bytes, parent, ref_root,
- level - 1, 0);
+ ret = btrfs_inc_extent_ref(trans, fs_info,
+ &generic_ref);
else
- ret = btrfs_free_extent(trans, fs_info, bytenr,
- num_bytes, parent, ref_root,
- level - 1, 0);
+ ret = btrfs_free_extent(trans, fs_info,
+ &generic_ref);
if (ret)
goto fail;
}
@@ -7127,18 +7148,20 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
u64 parent, int last_ref)
{
struct btrfs_fs_info *fs_info = root->fs_info;
+ struct btrfs_ref generic_ref = { 0 };
int pin = 1;
int ret;
+ btrfs_init_generic_ref(&generic_ref, BTRFS_DROP_DELAYED_REF,
+ buf->start, buf->len, parent);
+ btrfs_init_tree_ref(&generic_ref, btrfs_header_level(buf),
+ root->root_key.objectid);
+
if (root->root_key.objectid != BTRFS_TREE_LOG_OBJECTID) {
int old_ref_mod, new_ref_mod;
- ret = btrfs_add_delayed_tree_ref(fs_info, trans, buf->start,
- buf->len, parent,
- root->root_key.objectid,
- btrfs_header_level(buf),
- BTRFS_DROP_DELAYED_REF, NULL,
- &old_ref_mod, &new_ref_mod);
+ ret = btrfs_add_delayed_tree_ref(fs_info, trans, &generic_ref, NULL,
+ &old_ref_mod, &new_ref_mod);
BUG_ON(ret); /* -ENOMEM */
pin = old_ref_mod >= 0 && new_ref_mod < 0;
}
@@ -7171,8 +7194,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans,
}
out:
if (pin)
- add_pinned_bytes(fs_info, buf->len, btrfs_header_level(buf),
- root->root_key.objectid);
+ add_pinned_bytes(fs_info, &generic_ref);
if (last_ref) {
/*
@@ -7186,8 +7208,7 @@ out:
/* Can return -ENOMEM */
int btrfs_free_extent(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info,
- u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid,
- u64 owner, u64 offset)
+ struct btrfs_ref *ref)
{
int old_ref_mod, new_ref_mod;
int ret;
@@ -7195,33 +7216,28 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans,
if (btrfs_is_testing(fs_info))
return 0;
-
/*
* tree log blocks never actually go into the extent allocation
* tree, just update pinning info and exit early.
*/
- if (root_objectid == BTRFS_TREE_LOG_OBJECTID) {
- WARN_ON(owner >= BTRFS_FIRST_FREE_OBJECTID);
+ if ((ref->type == BTRFS_REF_METADATA &&
+ ref->tree_ref.root == BTRFS_TREE_LOG_OBJECTID) ||
+ (ref->type == BTRFS_REF_DATA &&
+ ref->data_ref.ref_root == BTRFS_TREE_LOG_OBJECTID)) {
/* unlocks the pinned mutex */
- btrfs_pin_extent(fs_info, bytenr, num_bytes, 1);
+ btrfs_pin_extent(fs_info, ref->bytenr, ref->len, 1);
old_ref_mod = new_ref_mod = 0;
ret = 0;
- } else if (owner < BTRFS_FIRST_FREE_OBJECTID) {
- ret = btrfs_add_delayed_tree_ref(fs_info, trans, bytenr,
- num_bytes, parent,
- root_objectid, (int)owner,
- BTRFS_DROP_DELAYED_REF, NULL,
- &old_ref_mod, &new_ref_mod);
+ } else if (ref->type == BTRFS_REF_METADATA) {
+ ret = btrfs_add_delayed_tree_ref(fs_info, trans, ref,
+ NULL, &old_ref_mod, &new_ref_mod);
} else {
- ret = btrfs_add_delayed_data_ref(fs_info, trans, bytenr,
- num_bytes, parent,
- root_objectid, owner, offset,
- 0, BTRFS_DROP_DELAYED_REF,
+ ret = btrfs_add_delayed_data_ref(fs_info, trans, ref, 0,
&old_ref_mod, &new_ref_mod);
}
if (ret == 0 && old_ref_mod >= 0 && new_ref_mod < 0)
- add_pinned_bytes(fs_info, num_bytes, owner, root_objectid);
+ add_pinned_bytes(fs_info, ref);
return ret;
}
@@ -8169,14 +8185,16 @@ int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans,
struct btrfs_key *ins)
{
struct btrfs_fs_info *fs_info = trans->fs_info;
+ struct btrfs_ref generic_ref = { 0 };
int ret;
BUG_ON(root_objectid == BTRFS_TREE_LOG_OBJECTID);
- ret = btrfs_add_delayed_data_ref(fs_info, trans, ins->objectid,
- ins->offset, 0, root_objectid, owner,
- offset, ram_bytes,
- BTRFS_ADD_DELAYED_EXTENT, NULL, NULL);
+ btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
+ ins->objectid, ins->offset, 0);
+ btrfs_init_data_ref(&generic_ref, root_objectid, owner, offset);
+ ret = btrfs_add_delayed_data_ref(fs_info, trans, &generic_ref,
+ ram_bytes, NULL, NULL);
return ret;
}
@@ -8343,6 +8361,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
struct btrfs_block_rsv *block_rsv;
struct extent_buffer *buf;
struct btrfs_delayed_extent_op *extent_op;
+ struct btrfs_ref generic_ref = { 0 };
u64 flags = 0;
int ret;
u32 blocksize = fs_info->nodesize;
@@ -8396,10 +8415,11 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans,
extent_op->is_data = false;
extent_op->level = level;
- ret = btrfs_add_delayed_tree_ref(fs_info, trans, ins.objectid,
- ins.offset, parent,
- root_objectid, level,
- BTRFS_ADD_DELAYED_EXTENT,
+ btrfs_init_generic_ref(&generic_ref, BTRFS_ADD_DELAYED_EXTENT,
+ ins.objectid, ins.offset, parent);
+ generic_ref.real_root = root->root_key.objectid;
+ btrfs_init_tree_ref(&generic_ref, level, root_objectid);
+ ret = btrfs_add_delayed_tree_ref(fs_info, trans, &generic_ref,
extent_op, NULL, NULL);
if (ret)
goto out_free_delayed;
@@ -8646,6 +8666,7 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans,
u32 blocksize;
struct btrfs_key key;
struct btrfs_key first_key;
+ struct btrfs_ref ref = { 0 };
struct extent_buffer *next;
int level = wc->level;
int reada = 0;
@@ -8819,9 +8840,10 @@ skip:
wc->drop_level = level;
find_next_key(path, level, &wc->drop_progress);
- ret = btrfs_free_extent(trans, fs_info, bytenr, blocksize,
- parent, root->root_key.objectid,
- level - 1, 0);
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr,
+ fs_info->nodesize, parent);
+ btrfs_init_tree_ref(&ref, level - 1, root->root_key.objectid);
+ ret = btrfs_free_extent(trans, fs_info, &ref);
if (ret)
goto out_unlock;
}
@@ -8911,11 +8933,14 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans,
else
ret = btrfs_dec_ref(trans, root, eb, 0);
BUG_ON(ret); /* -ENOMEM */
- ret = btrfs_qgroup_trace_leaf_items(trans, fs_info, eb);
- if (ret) {
- btrfs_err_rl(fs_info,
- "error %d accounting leaf items. Quota is out of sync, rescan required.",
- ret);
+ if (is_fstree(root->root_key.objectid)) {
+ ret = btrfs_qgroup_trace_leaf_items(trans,
+ fs_info, eb);
+ if (ret) {
+ btrfs_err_rl(fs_info,
+"error %d accounting leaf items. Quota is out of sync, rescan required.",
+ ret);
+ }
}
}
/* make block locked assertion in clean_tree_block happy */
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 38c3a2c45c15..3ca7189c3902 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -762,6 +762,7 @@ int __btrfs_drop_extents(struct btrfs_trans_handle *trans,
struct btrfs_fs_info *fs_info = root->fs_info;
struct extent_buffer *leaf;
struct btrfs_file_extent_item *fi;
+ struct btrfs_ref ref = { 0 };
struct btrfs_key key;
struct btrfs_key new_key;
u64 ino = btrfs_ino(BTRFS_I(inode));
@@ -918,11 +919,15 @@ next_slot:
btrfs_mark_buffer_dirty(leaf);
if (update_refs && disk_bytenr > 0) {
- ret = btrfs_inc_extent_ref(trans, fs_info,
- disk_bytenr, num_bytes, 0,
+ btrfs_init_generic_ref(&ref,
+ BTRFS_ADD_DELAYED_REF,
+ disk_bytenr, num_bytes, 0);
+ btrfs_init_data_ref(&ref,
root->root_key.objectid,
new_key.objectid,
start - extent_offset);
+ ret = btrfs_inc_extent_ref(trans, fs_info,
+ &ref);
BUG_ON(ret); /* -ENOMEM */
}
key.offset = start;
@@ -1002,11 +1007,15 @@ delete_extent_item:
extent_end = ALIGN(extent_end,
fs_info->sectorsize);
} else if (update_refs && disk_bytenr > 0) {
- ret = btrfs_free_extent(trans, fs_info,
- disk_bytenr, num_bytes, 0,
+ btrfs_init_generic_ref(&ref,
+ BTRFS_DROP_DELAYED_REF,
+ disk_bytenr, num_bytes, 0);
+ btrfs_init_data_ref(&ref,
root->root_key.objectid,
- key.objectid, key.offset -
- extent_offset);
+ key.objectid,
+ key.offset - extent_offset);
+ ret = btrfs_free_extent(trans, fs_info,
+ &ref);
BUG_ON(ret); /* -ENOMEM */
inode_sub_bytes(inode,
extent_end - key.offset);
@@ -1151,6 +1160,7 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans,
struct extent_buffer *leaf;
struct btrfs_path *path;
struct btrfs_file_extent_item *fi;
+ struct btrfs_ref ref = { 0 };
struct btrfs_key key;
struct btrfs_key new_key;
u64 bytenr;
@@ -1296,9 +1306,11 @@ again:
extent_end - split);
btrfs_mark_buffer_dirty(leaf);
- ret = btrfs_inc_extent_ref(trans, fs_info, bytenr, num_bytes,
- 0, root->root_key.objectid,
- ino, orig_offset);
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, bytenr,
+ num_bytes, 0);
+ btrfs_init_data_ref(&ref, root->root_key.objectid, ino,
+ orig_offset);
+ ret = btrfs_inc_extent_ref(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out;
@@ -1320,6 +1332,9 @@ again:
other_start = end;
other_end = 0;
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr,
+ num_bytes, 0);
+ btrfs_init_data_ref(&ref, root->root_key.objectid, ino, orig_offset);
if (extent_mergeable(leaf, path->slots[0] + 1,
ino, bytenr, orig_offset,
&other_start, &other_end)) {
@@ -1330,9 +1345,7 @@ again:
extent_end = other_end;
del_slot = path->slots[0] + 1;
del_nr++;
- ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
- 0, root->root_key.objectid,
- ino, orig_offset);
+ ret = btrfs_free_extent(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out;
@@ -1350,9 +1363,7 @@ again:
key.offset = other_start;
del_slot = path->slots[0];
del_nr++;
- ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
- 0, root->root_key.objectid,
- ino, orig_offset);
+ ret = btrfs_free_extent(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out;
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 82da225638e6..0038dab54f40 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2519,6 +2519,7 @@ static noinline int relink_extent_backref(struct btrfs_path *path,
struct btrfs_file_extent_item *item;
struct btrfs_ordered_extent *ordered;
struct btrfs_trans_handle *trans;
+ struct btrfs_ref ref = { 0 };
struct btrfs_root *root;
struct btrfs_key key;
struct extent_buffer *leaf;
@@ -2689,10 +2690,11 @@ again:
inode_add_bytes(inode, len);
btrfs_release_path(path);
- ret = btrfs_inc_extent_ref(trans, fs_info, new->bytenr,
- new->disk_len, 0,
- backref->root_id, backref->inum,
- new->file_pos); /* start - extent_offset */
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new->bytenr,
+ new->disk_len, 0);
+ btrfs_init_data_ref(&ref, backref->root_id, backref->inum,
+ new->file_pos); /* start - extent_offset */
+ ret = btrfs_inc_extent_ref(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
goto out_free_path;
@@ -4474,12 +4476,17 @@ delete:
if (found_extent &&
(test_bit(BTRFS_ROOT_REF_COWS, &root->state) ||
root == fs_info->tree_root)) {
+ struct btrfs_ref ref = { 0 };
+
btrfs_set_path_blocking(path);
bytes_deleted += extent_num_bytes;
- ret = btrfs_free_extent(trans, fs_info, extent_start,
- extent_num_bytes, 0,
- btrfs_header_owner(leaf),
- ino, extent_offset);
+
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF,
+ extent_start, extent_num_bytes, 0);
+ ref.real_root = root->root_key.objectid;
+ btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
+ ino, extent_offset);
+ ret = btrfs_free_extent(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
break;
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index f12cf0d6ca6d..d0264f604588 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3774,13 +3774,18 @@ process_slot:
datal);
if (disko) {
+ struct btrfs_ref ref = { 0 };
+
inode_add_bytes(inode, datal);
+ btrfs_init_generic_ref(&ref,
+ BTRFS_ADD_DELAYED_REF, disko,
+ diskl, 0);
+ btrfs_init_data_ref(&ref,
+ root->root_key.objectid,
+ btrfs_ino(BTRFS_I(inode)),
+ new_key.offset - datao);
ret = btrfs_inc_extent_ref(trans,
- fs_info,
- disko, diskl, 0,
- root->root_key.objectid,
- btrfs_ino(BTRFS_I(inode)),
- new_key.offset - datao);
+ fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans,
ret);
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index cb73c1f5f167..170a5aa63288 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -1679,6 +1679,8 @@ int replace_file_extents(struct btrfs_trans_handle *trans,
nritems = btrfs_header_nritems(leaf);
for (i = 0; i < nritems; i++) {
+ struct btrfs_ref ref = { 0 };
+
cond_resched();
btrfs_item_key_to_cpu(leaf, &key, i);
if (key.type != BTRFS_EXTENT_DATA_KEY)
@@ -1739,18 +1741,23 @@ int replace_file_extents(struct btrfs_trans_handle *trans,
dirty = 1;
key.offset -= btrfs_file_extent_offset(leaf, fi);
- ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr,
- num_bytes, parent,
- btrfs_header_owner(leaf),
- key.objectid, key.offset);
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new_bytenr,
+ num_bytes, parent);
+ ref.real_root = root->root_key.objectid;
+ btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
+ key.objectid, key.offset);
+ ret = btrfs_inc_extent_ref(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
break;
}
- ret = btrfs_free_extent(trans, fs_info, bytenr, num_bytes,
- parent, btrfs_header_owner(leaf),
- key.objectid, key.offset);
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr,
+ num_bytes, parent);
+ ref.real_root = root->root_key.objectid;
+ btrfs_init_data_ref(&ref, btrfs_header_owner(leaf),
+ key.objectid, key.offset);
+ ret = btrfs_free_extent(trans, fs_info, &ref);
if (ret) {
btrfs_abort_transaction(trans, ret);
break;
@@ -1792,6 +1799,7 @@ int replace_path(struct btrfs_trans_handle *trans, struct reloc_control *rc,
struct btrfs_fs_info *fs_info = dest->fs_info;
struct extent_buffer *eb;
struct extent_buffer *parent;
+ struct btrfs_ref ref = { 0 };
struct btrfs_key key;
u64 old_bytenr;
u64 new_bytenr;
@@ -1950,23 +1958,31 @@ again:
path->slots[level], old_ptr_gen);
btrfs_mark_buffer_dirty(path->nodes[level]);
- ret = btrfs_inc_extent_ref(trans, fs_info, old_bytenr,
- blocksize, path->nodes[level]->start,
- src->root_key.objectid, level - 1, 0);
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, old_bytenr,
+ blocksize, path->nodes[level]->start);
+ ref.skip_qgroup = true;
+ btrfs_init_tree_ref(&ref, level - 1, src->root_key.objectid);
+ ret = btrfs_inc_extent_ref(trans, fs_info, &ref);
BUG_ON(ret);
- ret = btrfs_inc_extent_ref(trans, fs_info, new_bytenr,
- blocksize, 0, dest->root_key.objectid,
- level - 1, 0);
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, new_bytenr,
+ blocksize, 0);
+ ref.skip_qgroup = true;
+ btrfs_init_tree_ref(&ref, level - 1, dest->root_key.objectid);
+ ret = btrfs_inc_extent_ref(trans, fs_info, &ref);
BUG_ON(ret);
- ret = btrfs_free_extent(trans, fs_info, new_bytenr, blocksize,
- path->nodes[level]->start,
- src->root_key.objectid, level - 1, 0);
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, new_bytenr,
+ blocksize, path->nodes[level]->start);
+ btrfs_init_tree_ref(&ref, level - 1, src->root_key.objectid);
+ ref.skip_qgroup = true;
+ ret = btrfs_free_extent(trans, fs_info, &ref);
BUG_ON(ret);
- ret = btrfs_free_extent(trans, fs_info, old_bytenr, blocksize,
- 0, dest->root_key.objectid, level - 1,
- 0);
+ btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, old_bytenr,
+ blocksize, 0);
+ btrfs_init_tree_ref(&ref, level - 1, dest->root_key.objectid);
+ ref.skip_qgroup = true;
+ ret = btrfs_free_extent(trans, fs_info, &ref);
BUG_ON(ret);
btrfs_unlock_up_safe(path, 0);
@@ -2756,6 +2772,7 @@ static int do_relocation(struct btrfs_trans_handle *trans,
rc->backref_cache.path[node->level] = node;
list_for_each_entry(edge, &node->upper, list[LOWER]) {
struct btrfs_key first_key;
+ struct btrfs_ref ref = { 0 };
cond_resched();
@@ -2853,11 +2870,14 @@ static int do_relocation(struct btrfs_trans_handle *trans,
trans->transid);
btrfs_mark_buffer_dirty(upper->eb);
+ btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF,
+ node->eb->start, blocksize,
+ upper->eb->start);
+ ref.real_root = root->root_key.objectid;
+ btrfs_init_tree_ref(&ref, node->level,
+ btrfs_header_owner(upper->eb));
ret = btrfs_inc_extent_ref(trans, root->fs_info,
- node->eb->start, blocksize,
- upper->eb->start,
- btrfs_header_owner(upper->eb),
- node->level, 0);
+ &ref);
BUG_ON(ret);
ret = btrfs_drop_subtree(trans, root, eb, upper->eb);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index f9a2a251ae72..27c47acde982 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -717,9 +717,11 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
goto out;
if (ins.objectid > 0) {
+ struct btrfs_ref ref = { 0 };
u64 csum_start;
u64 csum_end;
LIST_HEAD(ordered_sums);
+
/*
* is this extent already allocated in the extent
* allocation tree? If so, just add a reference
@@ -727,10 +729,14 @@ static noinline int replay_one_extent(struct btrfs_trans_handle *trans,
ret = btrfs_lookup_data_extent(fs_info, ins.objectid,
ins.offset);
if (ret == 0) {
- ret = btrfs_inc_extent_ref(trans, fs_info,
- ins.objectid, ins.offset,
- 0, root->root_key.objectid,
+ btrfs_init_generic_ref(&ref,
+ BTRFS_ADD_DELAYED_REF,
+ ins.objectid, ins.offset, 0);
+ btrfs_init_data_ref(&ref,
+ root->root_key.objectid,
key->objectid, offset);
+ ret = btrfs_inc_extent_ref(trans, fs_info,
+ &ref);
if (ret)
goto out;
} else {
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 73654901767d..719387eb4e7d 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1186,6 +1186,7 @@ cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file)
}
struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file);
+void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_hdlr);
void cifsFileInfo_put(struct cifsFileInfo *cifs_file);
#define CIFS_CACHE_READ_FLG 1
@@ -1690,6 +1691,7 @@ GLOBAL_EXTERN spinlock_t gidsidlock;
#endif /* CONFIG_CIFS_ACL */
void cifs_oplock_break(struct work_struct *work);
+void cifs_queue_oplock_break(struct cifsFileInfo *cfile);
extern const struct slow_work_ops cifs_oplock_break_ops;
extern struct workqueue_struct *cifsiod_wq;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 4916f93ffda4..d0407a233e3f 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -358,13 +358,31 @@ cifsFileInfo_get(struct cifsFileInfo *cifs_file)
return cifs_file;
}
-/*
- * Release a reference on the file private data. This may involve closing
- * the filehandle out on the server. Must be called without holding
- * tcon->open_file_lock and cifs_file->file_info_lock.
+/**
+ * cifsFileInfo_put - release a reference of file priv data
+ *
+ * Always potentially wait for oplock handler. See _cifsFileInfo_put().
*/
void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
{
+ _cifsFileInfo_put(cifs_file, true);
+}
+
+/**
+ * _cifsFileInfo_put - release a reference of file priv data
+ *
+ * This may involve closing the filehandle @cifs_file out on the
+ * server. Must be called without holding tcon->open_file_lock and
+ * cifs_file->file_info_lock.
+ *
+ * If @wait_for_oplock_handler is true and we are releasing the last
+ * reference, wait for any running oplock break handler of the file
+ * and cancel any pending one. If calling this function from the
+ * oplock break handler, you need to pass false.
+ *
+ */
+void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_handler)
+{
struct inode *inode = d_inode(cifs_file->dentry);
struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
struct TCP_Server_Info *server = tcon->ses->server;
@@ -411,7 +429,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
spin_unlock(&tcon->open_file_lock);
- oplock_break_cancelled = cancel_work_sync(&cifs_file->oplock_break);
+ oplock_break_cancelled = wait_oplock_handler ?
+ cancel_work_sync(&cifs_file->oplock_break) : false;
if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
struct TCP_Server_Info *server = tcon->ses->server;
@@ -4131,6 +4150,7 @@ void cifs_oplock_break(struct work_struct *work)
cinode);
cifs_dbg(FYI, "Oplock release rc = %d\n", rc);
}
+ _cifsFileInfo_put(cfile, false /* do not wait for ourself */);
cifs_done_oplock_break(cinode);
}
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 460084a8eac5..567878730383 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -478,8 +478,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
&pCifsInode->flags);
- queue_work(cifsoplockd_wq,
- &netfile->oplock_break);
+ cifs_queue_oplock_break(netfile);
netfile->oplock_break_cancelled = false;
spin_unlock(&tcon->open_file_lock);
@@ -576,6 +575,28 @@ void cifs_put_writer(struct cifsInodeInfo *cinode)
spin_unlock(&cinode->writers_lock);
}
+/**
+ * cifs_queue_oplock_break - queue the oplock break handler for cfile
+ *
+ * This function is called from the demultiplex thread when it
+ * receives an oplock break for @cfile.
+ *
+ * Assumes the tcon->open_file_lock is held.
+ * Assumes cfile->file_info_lock is NOT held.
+ */
+void cifs_queue_oplock_break(struct cifsFileInfo *cfile)
+{
+ /*
+ * Bump the handle refcount now while we hold the
+ * open_file_lock to enforce the validity of it for the oplock
+ * break handler. The matching put is done at the end of the
+ * handler.
+ */
+ cifsFileInfo_get(cfile);
+
+ queue_work(cifsoplockd_wq, &cfile->oplock_break);
+}
+
void cifs_done_oplock_break(struct cifsInodeInfo *cinode)
{
clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 462600198cdb..fba0043f73db 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -546,7 +546,7 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp,
clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
&cinode->flags);
- queue_work(cifsoplockd_wq, &cfile->oplock_break);
+ cifs_queue_oplock_break(cfile);
kfree(lw);
return true;
}
@@ -690,8 +690,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
&cinode->flags);
spin_unlock(&cfile->file_info_lock);
- queue_work(cifsoplockd_wq,
- &cfile->oplock_break);
+
+ cifs_queue_oplock_break(cfile);
spin_unlock(&tcon->open_file_lock);
spin_unlock(&cifs_tcp_ses_lock);
diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index 4a5b9a306c69..803fc26ef0ba 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -60,7 +60,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
unsigned int offset)
{
- struct sctphdr *sh = sctp_hdr(skb);
+ struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
__le32 ret, old = sh->checksum;
const struct skb_checksum_ops ops = {
.update = sctp_csum_update,
diff --git a/include/net/sock.h b/include/net/sock.h
index 1f8362b26cc7..88ea093cfb04 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -678,6 +678,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
hlist_add_head_rcu(&sk->sk_node, list);
}
+static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
+{
+ sock_hold(sk);
+ hlist_add_tail_rcu(&sk->sk_node, list);
+}
+
static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
{
hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 3c2ca9f24554..003a8bcaedc2 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -430,8 +430,8 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
newnp->ipv6_mc_list = NULL;
newnp->ipv6_ac_list = NULL;
newnp->ipv6_fl_list = NULL;
- newnp->mcast_oif = inet6_iif(skb);
- newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
+ newnp->mcast_oif = inet_iif(skb);
+ newnp->mcast_hops = ip_hdr(skb)->ttl;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 60f12b1c2918..959325a102e9 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1067,11 +1067,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
newnp->ipv6_fl_list = NULL;
newnp->pktoptions = NULL;
newnp->opt = NULL;
- newnp->mcast_oif = tcp_v6_iif(skb);
- newnp->mcast_hops = ipv6_hdr(skb)->hop_limit;
- newnp->rcv_flowinfo = ip6_flowinfo(ipv6_hdr(skb));
+ newnp->mcast_oif = inet_iif(skb);
+ newnp->mcast_hops = ip_hdr(skb)->ttl;
+ newnp->rcv_flowinfo = 0;
if (np->repflow)
- newnp->flow_label = ip6_flowlabel(ipv6_hdr(skb));
+ newnp->flow_label = 0;
/*
* No need to charge this sock to the relevant IPv6 refcnt debug socks count
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 680aebb87888..792775ace93e 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -364,7 +364,7 @@ int genl_register_family(struct genl_family *family)
start, end + 1, GFP_KERNEL);
if (family->id < 0) {
err = family->id;
- goto errout_locked;
+ goto errout_free;
}
err = genl_validate_assign_mc_groups(family);
@@ -383,6 +383,7 @@ int genl_register_family(struct genl_family *family)
errout_remove:
idr_remove(&genl_fam_idr, family->id);
+errout_free:
kfree(family->attrbuf);
errout_locked:
genl_unlock_all();
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 47fba2ad1b70..c6c4d9be2276 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -3286,7 +3286,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
}
mutex_lock(&net->packet.sklist_lock);
- sk_add_node_rcu(sk, &net->packet.sklist);
+ sk_add_node_tail_rcu(sk, &net->packet.sklist);
mutex_unlock(&net->packet.sklist_lock);
preempt_disable();
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
index 7ca57741b2fb..7849f286bb93 100644
--- a/net/rose/rose_subr.c
+++ b/net/rose/rose_subr.c
@@ -105,16 +105,17 @@ void rose_write_internal(struct sock *sk, int frametype)
struct sk_buff *skb;
unsigned char *dptr;
unsigned char lci1, lci2;
- char buffer[100];
- int len, faclen = 0;
+ int maxfaclen = 0;
+ int len, faclen;
+ int reserve;
- len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
+ reserve = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1;
+ len = ROSE_MIN_LEN;
switch (frametype) {
case ROSE_CALL_REQUEST:
len += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
- faclen = rose_create_facilities(buffer, rose);
- len += faclen;
+ maxfaclen = 256;
break;
case ROSE_CALL_ACCEPTED:
case ROSE_CLEAR_REQUEST:
@@ -123,15 +124,16 @@ void rose_write_internal(struct sock *sk, int frametype)
break;
}
- if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+ skb = alloc_skb(reserve + len + maxfaclen, GFP_ATOMIC);
+ if (!skb)
return;
/*
* Space for AX.25 header and PID.
*/
- skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1);
+ skb_reserve(skb, reserve);
- dptr = skb_put(skb, skb_tailroom(skb));
+ dptr = skb_put(skb, len);
lci1 = (rose->lci >> 8) & 0x0F;
lci2 = (rose->lci >> 0) & 0xFF;
@@ -146,7 +148,8 @@ void rose_write_internal(struct sock *sk, int frametype)
dptr += ROSE_ADDR_LEN;
memcpy(dptr, &rose->source_addr, ROSE_ADDR_LEN);
dptr += ROSE_ADDR_LEN;
- memcpy(dptr, buffer, faclen);
+ faclen = rose_create_facilities(dptr, rose);
+ skb_put(skb, faclen);
dptr += faclen;
break;