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[PATCH 3.16 207/233] CIFS: Improve readdir verbosity

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  [PATCH 3.16 207/233] CIFS: Improve readdir verbosity Ben Hutchings <ben@decadent.org.uk> - 2017-09-10 01:10 +0200

#1729716 — [PATCH 3.16 207/233] CIFS: Improve readdir verbosity

3.16.48-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Pavel Shilovsky <pshilov@microsoft.com>

commit dcd87838c06f05ab7650b249ebf0d5b57ae63e1e upstream.

Downgrade the loglevel for SMB2 to prevent filling the log
with messages if e.g. readdir was interrupted. Also make SMB2
and SMB1 codepaths do the same logging during readdir.

Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 fs/cifs/smb1ops.c | 9 +++++++--
 fs/cifs/smb2ops.c | 4 ++--
 2 files changed, 9 insertions(+), 4 deletions(-)

--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -856,8 +856,13 @@ cifs_query_dir_first(const unsigned int
 		     struct cifs_fid *fid, __u16 search_flags,
 		     struct cifs_search_info *srch_inf)
 {
-	return CIFSFindFirst(xid, tcon, path, cifs_sb,
-			     &fid->netfid, search_flags, srch_inf, true);
+	int rc;
+
+	rc = CIFSFindFirst(xid, tcon, path, cifs_sb,
+			   &fid->netfid, search_flags, srch_inf, true);
+	if (rc)
+		cifs_dbg(FYI, "find first failed=%d\n", rc);
+	return rc;
 }
 
 static int
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -729,7 +729,7 @@ smb2_query_dir_first(const unsigned int
 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
 	kfree(utf16_path);
 	if (rc) {
-		cifs_dbg(VFS, "open dir failed\n");
+		cifs_dbg(FYI, "open dir failed rc=%d\n", rc);
 		return rc;
 	}
 
@@ -739,7 +739,7 @@ smb2_query_dir_first(const unsigned int
 	rc = SMB2_query_directory(xid, tcon, fid->persistent_fid,
 				  fid->volatile_fid, 0, srch_inf);
 	if (rc) {
-		cifs_dbg(VFS, "query directory failed\n");
+		cifs_dbg(FYI, "query directory failed rc=%d\n", rc);
 		SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
 	}
 	return rc;

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