diff options
author | David Howells <dhowells@redhat.com> | 2022-02-17 21:13:05 +0000 |
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committer | David Howells <dhowells@redhat.com> | 2022-03-18 09:24:00 +0000 |
commit | de74023befa1876f64bc5871a2a4a51850517118 (patch) | |
tree | 2954b4d28282d5b8c9468e6d6433f2281ce286c3 /fs/netfs/read_helper.c | |
parent | 18b3ff9fe8b857557fd02bfae0d91834b2c380ca (diff) | |
download | linux-de74023befa1876f64bc5871a2a4a51850517118.tar.gz |
netfs: Trace refcounting on the netfs_io_request struct
Add refcount tracing for the netfs_io_request structure.
Changes
=======
ver #3)
- Switch 'W=' to 'R=' in the traceline to match other request debug IDs.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/164622997668.3564931.14456171619219324968.stgit@warthog.procyon.org.uk/ # v1
Link: https://lore.kernel.org/r/164678200943.1200972.7241495532327787765.stgit@warthog.procyon.org.uk/ # v2
Link: https://lore.kernel.org/r/164692900920.2099075.11847712419940675791.stgit@warthog.procyon.org.uk/ # v3
Diffstat (limited to 'fs/netfs/read_helper.c')
-rw-r--r-- | fs/netfs/read_helper.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 181aeda32649..620c3be5ec0a 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -109,7 +109,7 @@ static void netfs_rreq_completed(struct netfs_io_request *rreq, bool was_async) { trace_netfs_rreq(rreq, netfs_rreq_trace_done); netfs_clear_subrequests(rreq, was_async); - netfs_put_request(rreq, was_async); + netfs_put_request(rreq, was_async, netfs_rreq_trace_put_complete); } /* @@ -799,7 +799,7 @@ void netfs_readahead(struct readahead_control *ractl, return; cleanup_free: - netfs_put_request(rreq, false); + netfs_put_request(rreq, false, netfs_rreq_trace_put_failed); return; cleanup: if (netfs_priv) @@ -858,7 +858,7 @@ int netfs_readpage(struct file *file, netfs_stat(&netfs_n_rh_readpage); trace_netfs_read(rreq, rreq->start, rreq->len, netfs_read_trace_readpage); - netfs_get_request(rreq); + netfs_get_request(rreq, netfs_rreq_trace_get_hold); atomic_set(&rreq->nr_outstanding, 1); do { @@ -883,7 +883,7 @@ int netfs_readpage(struct file *file, ret = -EIO; } out: - netfs_put_request(rreq, false); + netfs_put_request(rreq, false, netfs_rreq_trace_put_hold); return ret; } EXPORT_SYMBOL(netfs_readpage); @@ -1030,13 +1030,13 @@ retry: */ ractl._nr_pages = folio_nr_pages(folio); netfs_rreq_expand(rreq, &ractl); - netfs_get_request(rreq); /* We hold the folio locks, so we can drop the references */ folio_get(folio); while (readahead_folio(&ractl)) ; + netfs_get_request(rreq, netfs_rreq_trace_get_hold); atomic_set(&rreq->nr_outstanding, 1); do { if (!netfs_rreq_submit_slice(rreq, &debug_index)) @@ -1062,7 +1062,7 @@ retry: trace_netfs_failure(rreq, NULL, ret, netfs_fail_short_write_begin); ret = -EIO; } - netfs_put_request(rreq, false); + netfs_put_request(rreq, false, netfs_rreq_trace_put_hold); if (ret < 0) goto error; @@ -1078,7 +1078,7 @@ have_folio_no_wait: return 0; error_put: - netfs_put_request(rreq, false); + netfs_put_request(rreq, false, netfs_rreq_trace_put_failed); error: folio_unlock(folio); folio_put(folio); |