diff options
| author | David Howells <[email protected]> | 2024-12-16 20:40:54 +0000 |
|---|---|---|
| committer | Christian Brauner <[email protected]> | 2024-12-20 21:34:02 +0000 |
| commit | aabcabf2746062253565b33aa3f8d25999a5ac01 (patch) | |
| tree | c6471f14ba0a7f7d44a9d0e721949db33ddd5471 /fs/netfs/buffered_read.c | |
| parent | netfs: Use a folio_queue allocation and free functions (diff) | |
| download | kernel-aabcabf2746062253565b33aa3f8d25999a5ac01.tar.gz kernel-aabcabf2746062253565b33aa3f8d25999a5ac01.zip | |
netfs: Add a tracepoint to log the lifespan of folio_queue structs
Add a tracepoint to log the lifespan of folio_queue structs. For tracing
illustrative purposes, folio_queues are tagged with the debug ID of
whatever they're related to (typically a netfs_io_request) and a debug ID
of their own.
Signed-off-by: David Howells <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
cc: Jeff Layton <[email protected]>
cc: [email protected]
cc: [email protected]
Signed-off-by: Christian Brauner <[email protected]>
Diffstat (limited to 'fs/netfs/buffered_read.c')
| -rw-r--r-- | fs/netfs/buffered_read.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c index 78b04763bed6..7ec04d5628d8 100644 --- a/fs/netfs/buffered_read.c +++ b/fs/netfs/buffered_read.c @@ -131,7 +131,8 @@ static ssize_t netfs_prepare_read_iterator(struct netfs_io_subrequest *subreq) struct folio_queue *tail = rreq->buffer_tail, *new; size_t added; - new = netfs_folioq_alloc(GFP_NOFS); + new = netfs_folioq_alloc(rreq->debug_id, GFP_NOFS, + netfs_trace_folioq_alloc_read_prep); if (!new) return -ENOMEM; new->prev = tail; @@ -361,9 +362,11 @@ static int netfs_prime_buffer(struct netfs_io_request *rreq) struct folio_batch put_batch; size_t added; - folioq = netfs_folioq_alloc(GFP_KERNEL); + folioq = netfs_folioq_alloc(rreq->debug_id, GFP_KERNEL, + netfs_trace_folioq_alloc_read_prime); if (!folioq) return -ENOMEM; + rreq->buffer = folioq; rreq->buffer_tail = folioq; rreq->submitted = rreq->start; @@ -436,7 +439,8 @@ static int netfs_create_singular_buffer(struct netfs_io_request *rreq, struct fo { struct folio_queue *folioq; - folioq = netfs_folioq_alloc(GFP_KERNEL); + folioq = netfs_folioq_alloc(rreq->debug_id, GFP_KERNEL, + netfs_trace_folioq_alloc_read_sing); if (!folioq) return -ENOMEM; |