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Merge branch 'for-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

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Pull btrfs fixes from Chris Mason:
 "Some fixes that Dave Sterba collected.  We held off on these last week
  because I was focused on the memory corruption testing"

* 'for-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix WARNING in btrfs_select_ref_head()
  Btrfs: remove some no-op casts
  btrfs: pass correct args to btrfs_async_run_delayed_refs()
  btrfs: make file clone aware of fatal signals
  btrfs: qgroup: Prevent qgroup->reserved from going subzero
  Btrfs: kill BUG_ON in do_relocation
This commit is contained in:
Linus Torvalds 2016-11-04 20:08:16 -07:00
commit 46d7cbb2c4
5 changed files with 29 additions and 9 deletions
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3
fs/btrfs/extent-tree.c
View File

@ -2647,7 +2647,10 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans,
btrfs_free_delayed_extent_op(extent_op);
if (ret) {
spin_lock(&delayed_refs->lock);
locked_ref->processing = 0;
delayed_refs->num_heads_ready++;
spin_unlock(&delayed_refs->lock);
btrfs_delayed_ref_unlock(locked_ref);
btrfs_put_delayed_ref(ref);
btrfs_debug(fs_info, "run_one_delayed_ref returned %d",

8
fs/btrfs/extent_io.c
View File

@ -5569,7 +5569,7 @@ void le_bitmap_set(u8 *map, unsigned int start, int len)
*p |= mask_to_set;
len -= bits_to_set;
bits_to_set = BITS_PER_BYTE;
mask_to_set = ~(u8)0;
mask_to_set = ~0;
p++;
}
if (len) {
@ -5589,7 +5589,7 @@ void le_bitmap_clear(u8 *map, unsigned int start, int len)
*p &= ~mask_to_clear;
len -= bits_to_clear;
bits_to_clear = BITS_PER_BYTE;
mask_to_clear = ~(u8)0;
mask_to_clear = ~0;
p++;
}
if (len) {
@ -5679,7 +5679,7 @@ void extent_buffer_bitmap_set(struct extent_buffer *eb, unsigned long start,
kaddr[offset] |= mask_to_set;
len -= bits_to_set;
bits_to_set = BITS_PER_BYTE;
mask_to_set = ~(u8)0;
mask_to_set = ~0;
if (++offset >= PAGE_SIZE && len > 0) {
offset = 0;
page = eb->pages[++i];
@ -5721,7 +5721,7 @@ void extent_buffer_bitmap_clear(struct extent_buffer *eb, unsigned long start,
kaddr[offset] &= ~mask_to_clear;
len -= bits_to_clear;
bits_to_clear = BITS_PER_BYTE;
mask_to_clear = ~(u8)0;
mask_to_clear = ~0;
if (++offset >= PAGE_SIZE && len > 0) {
offset = 0;
page = eb->pages[++i];

13
fs/btrfs/inode.c
View File

@ -4605,8 +4605,8 @@ delete:
BUG_ON(ret);
if (btrfs_should_throttle_delayed_refs(trans, root))
btrfs_async_run_delayed_refs(root,
trans->transid,
trans->delayed_ref_updates * 2, 0);
trans->delayed_ref_updates * 2,
trans->transid, 0);
if (be_nice) {
if (truncate_space_check(trans, root,
extent_num_bytes)) {
@ -8931,9 +8931,14 @@ again:
* So even we call qgroup_free_data(), it won't decrease reserved
* space.
* 2) Not written to disk
* This means the reserved space should be freed here.
* This means the reserved space should be freed here. However,
* if a truncate invalidates the page (by clearing PageDirty)
* and the page is accounted for while allocating extent
* in btrfs_check_data_free_space() we let delayed_ref to
* free the entire extent.
*/
btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE);
if (PageDirty(page))
btrfs_qgroup_free_data(inode, page_start, PAGE_SIZE);
if (!inode_evicting) {
clear_extent_bit(tree, page_start, page_end,
EXTENT_LOCKED | EXTENT_DIRTY |

5
fs/btrfs/ioctl.c
View File

@ -3814,6 +3814,11 @@ process_slot:
}
btrfs_release_path(path);
key.offset = next_key_min_offset;
if (fatal_signal_pending(current)) {
ret = -EINTR;
goto out;
}
}
ret = 0;

9
fs/btrfs/relocation.c
View File

@ -2728,7 +2728,14 @@ static int do_relocation(struct btrfs_trans_handle *trans,
bytenr = btrfs_node_blockptr(upper->eb, slot);
if (lowest) {
BUG_ON(bytenr != node->bytenr);
if (bytenr != node->bytenr) {
btrfs_err(root->fs_info,
"lowest leaf/node mismatch: bytenr %llu node->bytenr %llu slot %d upper %llu",
bytenr, node->bytenr, slot,
upper->eb->start);
err = -EIO;
goto next;
}
} else {
if (node->eb->start == bytenr)
goto next;