From: Trond Myklebust <[email protected]>
Signed-off-by: Trond Myklebust <[email protected]>
---
fs/nfs/file.c | 9 +++++++--
fs/nfs/nfstrace.h | 41 +++++++++++++++++++++++++++++++++++------
2 files changed, 42 insertions(+), 8 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 3bed75c5250b..bcade290605a 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -411,14 +411,16 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
static void nfs_invalidate_folio(struct folio *folio, size_t offset,
size_t length)
{
+ struct inode *inode = folio_file_mapping(folio)->host;
dfprintk(PAGECACHE, "NFS: invalidate_folio(%lu, %zu, %zu)\n",
folio->index, offset, length);
if (offset != 0 || length < folio_size(folio))
return;
/* Cancel any unstarted writes on this page */
- nfs_wb_folio_cancel(folio->mapping->host, folio);
+ nfs_wb_folio_cancel(inode, folio);
folio_wait_fscache(folio);
+ trace_nfs_invalidate_folio(inode, folio);
}
/*
@@ -479,12 +481,15 @@ static void nfs_check_dirty_writeback(struct folio *folio,
static int nfs_launder_folio(struct folio *folio)
{
struct inode *inode = folio->mapping->host;
+ int ret;
dfprintk(PAGECACHE, "NFS: launder_folio(%ld, %llu)\n",
inode->i_ino, folio_pos(folio));
folio_wait_fscache(folio);
- return nfs_wb_folio(inode, folio);
+ ret = nfs_wb_folio(inode, folio);
+ trace_nfs_launder_folio_done(inode, folio, ret);
+ return ret;
}
static int nfs_swap_activate(struct swap_info_struct *sis, struct file *file,
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index b686b615586e..d3aa330fef36 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -933,7 +933,7 @@ TRACE_EVENT(nfs_sillyrename_unlink,
)
);
-TRACE_EVENT(nfs_aop_readpage,
+DECLARE_EVENT_CLASS(nfs_folio_event,
TP_PROTO(
const struct inode *inode,
struct folio *folio
@@ -947,6 +947,7 @@ TRACE_EVENT(nfs_aop_readpage,
__field(u64, fileid)
__field(u64, version)
__field(loff_t, offset)
+ __field(u32, count)
),
TP_fast_assign(
@@ -957,18 +958,28 @@ TRACE_EVENT(nfs_aop_readpage,
__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
__entry->version = inode_peek_iversion_raw(inode);
__entry->offset = folio_file_pos(folio);
+ __entry->count = nfs_folio_length(folio);
),
TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu offset=%lld",
+ "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu "
+ "offset=%lld count=%u",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle, __entry->version,
- __entry->offset
+ __entry->offset, __entry->count
)
);
-TRACE_EVENT(nfs_aop_readpage_done,
+#define DEFINE_NFS_FOLIO_EVENT(name) \
+ DEFINE_EVENT(nfs_folio_event, name, \
+ TP_PROTO( \
+ const struct inode *inode, \
+ struct folio *folio \
+ ), \
+ TP_ARGS(inode, folio))
+
+DECLARE_EVENT_CLASS(nfs_folio_event_done,
TP_PROTO(
const struct inode *inode,
struct folio *folio,
@@ -984,6 +995,7 @@ TRACE_EVENT(nfs_aop_readpage_done,
__field(u64, fileid)
__field(u64, version)
__field(loff_t, offset)
+ __field(u32, count)
),
TP_fast_assign(
@@ -994,18 +1006,35 @@ TRACE_EVENT(nfs_aop_readpage_done,
__entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
__entry->version = inode_peek_iversion_raw(inode);
__entry->offset = folio_file_pos(folio);
+ __entry->count = nfs_folio_length(folio);
__entry->ret = ret;
),
TP_printk(
- "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu offset=%lld ret=%d",
+ "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu "
+ "offset=%lld count=%u ret=%d",
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->fileid,
__entry->fhandle, __entry->version,
- __entry->offset, __entry->ret
+ __entry->offset, __entry->count, __entry->ret
)
);
+#define DEFINE_NFS_FOLIO_EVENT_DONE(name) \
+ DEFINE_EVENT(nfs_folio_event_done, name, \
+ TP_PROTO( \
+ const struct inode *inode, \
+ struct folio *folio, \
+ int ret \
+ ), \
+ TP_ARGS(inode, folio, ret))
+
+DEFINE_NFS_FOLIO_EVENT(nfs_aop_readpage);
+DEFINE_NFS_FOLIO_EVENT_DONE(nfs_aop_readpage_done);
+
+DEFINE_NFS_FOLIO_EVENT(nfs_invalidate_folio);
+DEFINE_NFS_FOLIO_EVENT_DONE(nfs_launder_folio_done);
+
TRACE_EVENT(nfs_aop_readahead,
TP_PROTO(
const struct inode *inode,
--
2.39.0