From 81b79afb504870a31ee1f764e81a202685cde795 Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Wed, 25 Mar 2015 19:09:08 -0400 Subject: [PATCH] NFSv4: Allow tracing of NFSv4 fsync calls I appear to have missed this when adding the ftrace probes. Signed-off-by: Trond Myklebust --- fs/nfs/nfs4file.c | 5 +++++ fs/nfs/nfstrace.c | 3 +++ 2 files changed, 8 insertions(+) diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c index 8b46389c4c5b..0de62f7cfebf 100644 --- a/fs/nfs/nfs4file.c +++ b/fs/nfs/nfs4file.c @@ -10,6 +10,8 @@ #include "fscache.h" #include "pnfs.h" +#include "nfstrace.h" + #ifdef CONFIG_NFS_V4_2 #include "nfs42.h" #endif @@ -100,6 +102,8 @@ nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync) int ret; struct inode *inode = file_inode(file); + trace_nfs_fsync_enter(inode); + do { ret = filemap_write_and_wait_range(inode->i_mapping, start, end); if (ret != 0) @@ -118,6 +122,7 @@ nfs4_file_fsync(struct file *file, loff_t start, loff_t end, int datasync) end = LLONG_MAX; } while (ret == -EAGAIN); + trace_nfs_fsync_exit(inode, ret); return ret; } diff --git a/fs/nfs/nfstrace.c b/fs/nfs/nfstrace.c index 4eb0aead69b6..c74f7af23d77 100644 --- a/fs/nfs/nfstrace.c +++ b/fs/nfs/nfstrace.c @@ -7,3 +7,6 @@ #define CREATE_TRACE_POINTS #include "nfstrace.h" + +EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_fsync_enter); +EXPORT_TRACEPOINT_SYMBOL_GPL(nfs_fsync_exit);