NFS: Add event tracing for generic NFS events

[karo-tx-linux.git] / fs / nfs / file.c

diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 94e94bd11aae6d0a6c32acf5c16491448edb93f8..d6a9db0a854550c1df7fe208f1e61cabd0e39f37 100644 (file)
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -37,6 +37,8 @@
 #include "iostat.h"
 #include "fscache.h"
 
+#include "nfstrace.h"
+
 #define NFSDBG_FACILITY                NFSDBG_FILE
 
 static const struct vm_operations_struct nfs_file_vm_ops;
@@ -294,6 +296,8 @@ nfs_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)
@@ -310,6 +314,7 @@ nfs_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;
 }