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Merge branch 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

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Pull btrfs fixes from Chris Mason:
 "These are all over the place.

  The tracepoint part of the pull fixes a crash and adds a little more
  information to two tracepoints, while the rest are good old fashioned
  fixes"

* 'for-linus-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  btrfs: make tracepoint format strings more compact
  Btrfs: add truncated_len for ordered extent tracepoints
  Btrfs: add 'inode' for extent map tracepoint
  btrfs: fix crash when tracepoint arguments are freed by wq callbacks
  Btrfs: adjust outstanding_extents counter properly when dio write is split
  Btrfs: fix lockdep warning about log_mutex
  Btrfs: use down_read_nested to make lockdep silent
  btrfs: fix locking when we put back a delayed ref that's too new
  btrfs: fix error handling when run_delayed_extent_op fails
  btrfs: return the actual error value from  from btrfs_uuid_tree_iterate
This commit is contained in:
Linus Torvalds
2017-01-13 17:40:22 -08:00
parent 04e396277b 0bf70aebf1
commit e96f8f18c8
6 changed files with 117 additions and 82 deletions
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13
fs/btrfs/inode.c
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@@ -7059,7 +7059,7 @@ insert:
write_unlock(&em_tree->lock);
out:
trace_btrfs_get_extent(root, em);
trace_btrfs_get_extent(root, inode, em);
btrfs_free_path(path);
if (trans) {
@@ -7623,11 +7623,18 @@ static void adjust_dio_outstanding_extents(struct inode *inode,
* within our reservation, otherwise we need to adjust our inode
* counter appropriately.
*/
if (dio_data->outstanding_extents) {
if (dio_data->outstanding_extents >= num_extents) {
dio_data->outstanding_extents -= num_extents;
} else {
/*
* If dio write length has been split due to no large enough
* contiguous space, we need to compensate our inode counter
* appropriately.
*/
u64 num_needed = num_extents - dio_data->outstanding_extents;
spin_lock(&BTRFS_I(inode)->lock);
BTRFS_I(inode)->outstanding_extents += num_extents;
BTRFS_I(inode)->outstanding_extents += num_needed;
spin_unlock(&BTRFS_I(inode)->lock);
}
}