diff options
| author | K Prateek Nayak <kprateek.nayak@amd.com> | 2025-03-05 11:23:01 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2025-03-05 07:17:07 -1000 |
| commit | cfced12f5100e50d56bc587299393fd33c1169a9 (patch) | |
| tree | 47d2463aa708315c090d69f0f4e033d0142462e1 | |
| parent | c27c66afc449b80f3b4b84d123358c0248f2cf63 (diff) | |
include/linux/pipe_fs_i: Add htmldoc annotation for "head_tail" member
Add htmldoc annotation for the newly introduced "head_tail" member
describing it to be a union of the pipe_inode_info's @head and @tail
members.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Closes: https://lore.kernel.org/lkml/20250305204609.5e64768e@canb.auug.org.au/
Fixes: 3d252160b818 ("fs/pipe: Read pipe->{head,tail} atomically outside pipe->mutex")
Signed-off-by: K Prateek Nayak <kprateek.nayak@amd.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/pipe_fs_i.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 1f013ed7577e..05ccbc5d0129 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -65,6 +65,7 @@ union pipe_index { * @wr_wait: writer wait point in case of full pipe * @head: The point of buffer production * @tail: The point of buffer consumption + * @head_tail: unsigned long union of @head and @tail * @note_loss: The next read() should insert a data-lost message * @max_usage: The maximum number of slots that may be used in the ring * @ring_size: total number of buffers (should be a power of 2) |