From: David Howells <dhowells@redhat.com>
To: Christian Brauner <christian@brauner.io>,
Jeff Layton <jlayton@kernel.org>,
Gao Xiang <hsiangkao@linux.alibaba.com>,
Dominique Martinet <asmadeus@codewreck.org>
Cc: David Howells <dhowells@redhat.com>,
Steve French <smfrench@gmail.com>,
Matthew Wilcox <willy@infradead.org>,
Marc Dionne <marc.dionne@auristor.com>,
Paulo Alcantara <pc@manguebit.com>,
Shyam Prasad N <sprasad@microsoft.com>,
Tom Talpey <tom@talpey.com>,
Eric Van Hensbergen <ericvh@kernel.org>,
Ilya Dryomov <idryomov@gmail.com>,
linux-cachefs@redhat.com, linux-afs@lists.infradead.org,
linux-cifs@vger.kernel.org, linux-nfs@vger.kernel.org,
ceph-devel@vger.kernel.org, v9fs@lists.linux.dev,
linux-erofs@lists.ozlabs.org, linux-fsdevel@vger.kernel.org,
linux-mm@kvack.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/6] netfs: Count DIO writes
Date: Tue, 9 Jan 2024 11:20:19 +0000 [thread overview]
Message-ID: <20240109112029.1572463-3-dhowells@redhat.com> (raw)
In-Reply-To: <20240109112029.1572463-1-dhowells@redhat.com>
Provide a counter for DIO writes to match that for DIO reads.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
cc: linux-fsdevel@vger.kernel.org
cc: linux-mm@kvack.org
---
fs/netfs/direct_write.c | 1 +
fs/netfs/internal.h | 1 +
fs/netfs/stats.c | 11 +++++++----
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/fs/netfs/direct_write.c b/fs/netfs/direct_write.c
index b9cbfd6a8a01..60a40d293c87 100644
--- a/fs/netfs/direct_write.c
+++ b/fs/netfs/direct_write.c
@@ -140,6 +140,7 @@ ssize_t netfs_unbuffered_write_iter(struct kiocb *iocb, struct iov_iter *from)
_enter("%llx,%zx,%llx", iocb->ki_pos, iov_iter_count(from), i_size_read(inode));
trace_netfs_write_iter(iocb, from);
+ netfs_stat(&netfs_n_rh_dio_write);
ret = netfs_start_io_direct(inode);
if (ret < 0)
diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h
index a6dfc8888377..3f9620d0fa63 100644
--- a/fs/netfs/internal.h
+++ b/fs/netfs/internal.h
@@ -104,6 +104,7 @@ int netfs_end_writethrough(struct netfs_io_request *wreq, struct kiocb *iocb);
*/
#ifdef CONFIG_NETFS_STATS
extern atomic_t netfs_n_rh_dio_read;
+extern atomic_t netfs_n_rh_dio_write;
extern atomic_t netfs_n_rh_readahead;
extern atomic_t netfs_n_rh_readpage;
extern atomic_t netfs_n_rh_rreq;
diff --git a/fs/netfs/stats.c b/fs/netfs/stats.c
index 15fd5c3f0f39..42db36528d92 100644
--- a/fs/netfs/stats.c
+++ b/fs/netfs/stats.c
@@ -10,6 +10,7 @@
#include "internal.h"
atomic_t netfs_n_rh_dio_read;
+atomic_t netfs_n_rh_dio_write;
atomic_t netfs_n_rh_readahead;
atomic_t netfs_n_rh_readpage;
atomic_t netfs_n_rh_rreq;
@@ -37,14 +38,13 @@ atomic_t netfs_n_wh_write_failed;
int netfs_stats_show(struct seq_file *m, void *v)
{
- seq_printf(m, "Netfs : DR=%u RA=%u RP=%u WB=%u WBZ=%u rr=%u sr=%u\n",
+ seq_printf(m, "Netfs : DR=%u DW=%u RA=%u RP=%u WB=%u WBZ=%u\n",
atomic_read(&netfs_n_rh_dio_read),
+ atomic_read(&netfs_n_rh_dio_write),
atomic_read(&netfs_n_rh_readahead),
atomic_read(&netfs_n_rh_readpage),
atomic_read(&netfs_n_rh_write_begin),
- atomic_read(&netfs_n_rh_write_zskip),
- atomic_read(&netfs_n_rh_rreq),
- atomic_read(&netfs_n_rh_sreq));
+ atomic_read(&netfs_n_rh_write_zskip));
seq_printf(m, "Netfs : ZR=%u sh=%u sk=%u\n",
atomic_read(&netfs_n_rh_zero),
atomic_read(&netfs_n_rh_short_read),
@@ -66,6 +66,9 @@ int netfs_stats_show(struct seq_file *m, void *v)
atomic_read(&netfs_n_wh_write),
atomic_read(&netfs_n_wh_write_done),
atomic_read(&netfs_n_wh_write_failed));
+ seq_printf(m, "Netfs : rr=%u sr=%u\n",
+ atomic_read(&netfs_n_rh_rreq),
+ atomic_read(&netfs_n_rh_sreq));
return fscache_stats_show(m);
}
EXPORT_SYMBOL(netfs_stats_show);
next prev parent reply other threads:[~2024-01-09 11:20 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-09 11:20 [PATCH 0/6] netfs, cachefiles: More additional patches David Howells
2024-01-09 11:20 ` [PATCH 1/6] netfs: Mark netfs_unbuffered_write_iter_locked() static David Howells
2024-01-09 11:20 ` David Howells [this message]
2024-01-09 11:20 ` [PATCH 3/6] netfs: Fix interaction between write-streaming and cachefiles culling David Howells
2024-01-09 11:20 ` [PATCH 4/6] netfs: Fix the loop that unmarks folios after writing to the cache David Howells
2024-01-09 11:20 ` [PATCH 5/6] cachefiles: Fix signed/unsigned mixup David Howells
2024-01-09 13:03 ` Gao Xiang
2024-01-10 12:05 ` [External] " Jia Zhu
2024-01-09 11:20 ` [PATCH 6/6] netfs: Fix wrong #ifdef hiding wait David Howells
2024-01-09 17:11 ` [PATCH 0/6] netfs, cachefiles: More additional patches Marc Dionne
2024-01-09 18:37 ` Jeff Layton
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