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authorDavid Howells <dhowells@redhat.com>2024-12-16 20:41:09 +0000
committerChristian Brauner <brauner@kernel.org>2024-12-20 22:34:06 +0100
commit49866ce7ea8d41a3dc198f519cc9caa2d6be1891 (patch)
treec2642c8c52ce186f2f686338c531527653ce0bcb /fs/netfs/stats.c
parente61bfaad8fd86ac84eac633e0bbaac47a5dfd358 (diff)
netfs: Add support for caching single monolithic objects such as AFS dirs
Add support for caching the content of a file that contains a single monolithic object that must be read/written with a single I/O operation, such as an AFS directory. Signed-off-by: David Howells <dhowells@redhat.com> Link: https://lore.kernel.org/r/20241216204124.3752367-20-dhowells@redhat.com cc: Jeff Layton <jlayton@kernel.org> cc: Marc Dionne <marc.dionne@auristor.com> cc: netfs@lists.linux.dev cc: linux-afs@lists.infradead.org cc: linux-fsdevel@vger.kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'fs/netfs/stats.c')
-rw-r--r--fs/netfs/stats.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/netfs/stats.c b/fs/netfs/stats.c
index 8e63516b40f6..f1af344266cc 100644
--- a/fs/netfs/stats.c
+++ b/fs/netfs/stats.c
@@ -12,6 +12,7 @@
atomic_t netfs_n_rh_dio_read;
atomic_t netfs_n_rh_readahead;
atomic_t netfs_n_rh_read_folio;
+atomic_t netfs_n_rh_read_single;
atomic_t netfs_n_rh_rreq;
atomic_t netfs_n_rh_sreq;
atomic_t netfs_n_rh_download;
@@ -46,10 +47,11 @@ atomic_t netfs_n_folioq;
int netfs_stats_show(struct seq_file *m, void *v)
{
- seq_printf(m, "Reads : DR=%u RA=%u RF=%u WB=%u WBZ=%u\n",
+ seq_printf(m, "Reads : DR=%u RA=%u RF=%u RS=%u WB=%u WBZ=%u\n",
atomic_read(&netfs_n_rh_dio_read),
atomic_read(&netfs_n_rh_readahead),
atomic_read(&netfs_n_rh_read_folio),
+ atomic_read(&netfs_n_rh_read_single),
atomic_read(&netfs_n_rh_write_begin),
atomic_read(&netfs_n_rh_write_zskip));
seq_printf(m, "Writes : BW=%u WT=%u DW=%u WP=%u 2C=%u\n",