Linux CIFS filesystem development
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From: Bharath SM <bharathsm.hsk@gmail.com>
To: linux-cifs@vger.kernel.org, sfrench@samba.org, pc@manguebit.com,
	sprasad@microsoft.com, tom@talpey.com, ronniesahlberg@gmail.com
Cc: Bharath SM <bharathsm@microsoft.com>
Subject: [PATCH] smb: enable reuse of deferred file handles for write operations
Date: Tue, 17 Dec 2024 00:01:48 +0530	[thread overview]
Message-ID: <20241216183148.4291-1-bharathsm@microsoft.com> (raw)

Previously, deferred file handles were reused only for read
operations, this commit extends to reusing deferred handles
for write operations.

Signed-off-by: Bharath SM <bharathsm@microsoft.com>
---
 fs/smb/client/file.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index a58a3333ecc3..98deff1de74c 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -990,7 +990,11 @@ int cifs_open(struct inode *inode, struct file *file)
 	}
 
 	/* Get the cached handle as SMB2 close is deferred */
-	rc = cifs_get_readable_path(tcon, full_path, &cfile);
+	if (OPEN_FMODE(file->f_flags) & FMODE_WRITE) {
+		rc = cifs_get_writable_path(tcon, full_path, FIND_WR_ANY, &cfile);
+	} else {
+		rc = cifs_get_readable_path(tcon, full_path, &cfile);
+	}
 	if (rc == 0) {
 		if (file->f_flags == cfile->f_flags) {
 			file->private_data = cfile;
-- 
2.43.0


             reply	other threads:[~2024-12-16 18:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-16 18:31 Bharath SM [this message]
2024-12-16 20:43 ` [PATCH] smb: enable reuse of deferred file handles for write operations Steve French
2024-12-19  9:33   ` Shyam Prasad N
2024-12-19 22:47     ` Paul Aurich
2024-12-23  8:12       ` Bharath SM
2024-12-23 18:48         ` Steve French

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