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[2/5] cifs: change tcon status when need_reconnect is set on it

Message ID 20240201111530.17194-2-sprasad@microsoft.com (mailing list archive)
State New, archived
Headers show
Series [1/5] cifs: avoid redundant calls to disable multichannel | expand

Commit Message

Shyam Prasad N Feb. 1, 2024, 11:15 a.m. UTC 
From: Shyam Prasad N <sprasad@microsoft.com>

When a tcon is marked for need_reconnect, the intention
is to have it reconnected.

This change adjusts tcon->status in cifs_tree_connect
when need_reconnect is set. Also, this change has a minor
correction in resetting need_reconnect on success. It makes
sure that it is done with tc_lock held.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
---
 fs/smb/client/connect.c | 5 +++++
 fs/smb/client/dfs.c     | 7 ++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)
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Patch

diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c
index c5cf88de32b7..28cacdd90bbf 100644
--- a/fs/smb/client/connect.c
+++ b/fs/smb/client/connect.c
@@ -4230,6 +4230,11 @@  int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
 
 	/* only send once per connect */
 	spin_lock(&tcon->tc_lock);
+
+	/* if tcon is marked for needing reconnect, update state */
+	if (tcon->need_reconnect)
+		tcon->status = TID_NEED_TCON;
+
 	if (tcon->status == TID_GOOD) {
 		spin_unlock(&tcon->tc_lock);
 		return 0;
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c
index a8a1d386da65..449c59830039 100644
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -565,6 +565,11 @@  int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
 
 	/* only send once per connect */
 	spin_lock(&tcon->tc_lock);
+
+	/* if tcon is marked for needing reconnect, update state */
+	if (tcon->need_reconnect)
+		tcon->status = TID_NEED_TCON;
+
 	if (tcon->status == TID_GOOD) {
 		spin_unlock(&tcon->tc_lock);
 		return 0;
@@ -625,8 +630,8 @@  int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon, const stru
 		spin_lock(&tcon->tc_lock);
 		if (tcon->status == TID_IN_TCON)
 			tcon->status = TID_GOOD;
-		spin_unlock(&tcon->tc_lock);
 		tcon->need_reconnect = false;
+		spin_unlock(&tcon->tc_lock);
 	}
 
 	return rc;