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authorDavid Howells <dhowells@redhat.com>2024-01-05 14:55:52 +0000
committerDavid Howells <dhowells@redhat.com>2024-01-05 15:22:37 +0000
commit4088e389476e3baababf9b22f34b9d8b3e557344 (patch)
tree7f055ee641a2cd7d12c7deca2b50c94cf436b149 /fs
parent0e4d464cda4c5996402343d4c9e2b6ceec716f93 (diff)
netfs: Count DIO writes
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
Diffstat (limited to 'fs')
-rw-r--r--fs/netfs/direct_write.c1
-rw-r--r--fs/netfs/internal.h1
-rw-r--r--fs/netfs/stats.c11
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);