diff options
| author | David Howells <dhowells@redhat.com> | 2023-05-22 14:50:09 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-05-24 08:42:16 -0600 |
| commit | 94aca682a4eb10fe32bf3f124de9f30b9249cae0 (patch) | |
| tree | b69c8b2ad39e7d863c4a95f57769f2e047d38d82 /fs/ocfs2/ocfs2_trace.h | |
| parent | 51494398807111ee0f78e03c485c422195f8cf98 (diff) | |
ocfs2: Provide a splice-read wrapper
Provide a splice_read wrapper for ocfs2. This emits trace lines and does
an atime lock/update before calling filemap_splice_read(). Splicing from
direct I/O is handled by the caller.
A couple of new tracepoints are added for this purpose.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
cc: Christoph Hellwig <hch@lst.de>
cc: Al Viro <viro@zeniv.linux.org.uk>
cc: Jens Axboe <axboe@kernel.dk>
cc: Mark Fasheh <mark@fasheh.com>
cc: Joel Becker <jlbec@evilplan.org>
cc: ocfs2-devel@oss.oracle.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-block@vger.kernel.org
cc: linux-mm@kvack.org
Link: https://lore.kernel.org/r/20230522135018.2742245-23-dhowells@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/ocfs2/ocfs2_trace.h')
| -rw-r--r-- | fs/ocfs2/ocfs2_trace.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h index dc4bce1649c1..b8c3d1702076 100644 --- a/fs/ocfs2/ocfs2_trace.h +++ b/fs/ocfs2/ocfs2_trace.h @@ -1319,6 +1319,8 @@ DEFINE_OCFS2_FILE_OPS(ocfs2_file_splice_write); DEFINE_OCFS2_FILE_OPS(ocfs2_file_read_iter); +DEFINE_OCFS2_FILE_OPS(ocfs2_file_splice_read); + DEFINE_OCFS2_ULL_ULL_ULL_EVENT(ocfs2_truncate_file); DEFINE_OCFS2_ULL_ULL_EVENT(ocfs2_truncate_file_error); @@ -1470,6 +1472,7 @@ TRACE_EVENT(ocfs2_prepare_inode_for_write, ); DEFINE_OCFS2_INT_EVENT(generic_file_read_iter_ret); +DEFINE_OCFS2_INT_EVENT(filemap_splice_read_ret); /* End of trace events for fs/ocfs2/file.c. */ |