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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 20:04:32 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-14 20:04:32 -0700
commit6ed0529fef09f50ef41d396cb55c5519e4936b16 (patch)
tree09d83956d0c386fc62440243c903ca889f34ab2c /fs/nfs/read.c
parentMerge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs (diff)
parentNFS: various changes relating to reporting IO errors. (diff)
downloadlinux-dev-6ed0529fef09f50ef41d396cb55c5519e4936b16.tar.xz
linux-dev-6ed0529fef09f50ef41d396cb55c5519e4936b16.zip
Merge tag 'nfs-for-4.14-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull more NFS client updates from Trond Myklebust: "Hightlights include: Bugfixes: - Various changes relating to reporting IO errors. - pnfs: Use the standard I/O stateid when calling LAYOUTGET Features: - Add static NFS I/O tracepoints for debugging" * tag 'nfs-for-4.14-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFS: various changes relating to reporting IO errors. NFS: Add static NFS I/O tracepoints pNFS: Use the standard I/O stateid when calling LAYOUTGET
Diffstat (limited to 'fs/nfs/read.c')
-rw-r--r--fs/nfs/read.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 0d42573d423d..48d7277c60a9 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -25,6 +25,7 @@
#include "iostat.h"
#include "fscache.h"
#include "pnfs.h"
+#include "nfstrace.h"
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
@@ -200,6 +201,7 @@ static void nfs_initiate_read(struct nfs_pgio_header *hdr,
task_setup_data->flags |= swap_flags;
rpc_ops->read_setup(hdr, msg);
+ trace_nfs_initiate_read(inode, hdr->io_start, hdr->good_bytes);
}
static void
@@ -232,6 +234,8 @@ static int nfs_readpage_done(struct rpc_task *task,
return status;
nfs_add_stats(inode, NFSIOS_SERVERREADBYTES, hdr->res.count);
+ trace_nfs_readpage_done(inode, task->tk_status,
+ hdr->args.offset, hdr->res.eof);
if (task->tk_status == -ESTALE) {
set_bit(NFS_INO_STALE, &NFS_I(inode)->flags);