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From: Ronnie Sahlberg <lsahlber@redhat.com>
To: linux-cifs <linux-cifs@vger.kernel.org>
Cc: Ronnie Sahlberg <lsahlber@redhat.com>
Subject: [PATCH] cifs: add support for fallocate mode 0 for non-sparse files
Date: Wed, 15 Jan 2020 11:23:21 +1000
Message-ID: <20200115012321.6780-2-lsahlber@redhat.com> (raw)
In-Reply-To: <20200115012321.6780-1-lsahlber@redhat.com>

RHBZ 1336264

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
---
 fs/cifs/smb2ops.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 6250370c1170..91818f7c1b9c 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -3106,9 +3106,13 @@ static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon,
 		else if (i_size_read(inode) >= off + len)
 			/* not extending file and already not sparse */
 			rc = 0;
-		/* BB: in future add else clause to extend file */
-		else
-			rc = -EOPNOTSUPP;
+		/* extend file */
+		else {
+			eof = cpu_to_le64(off + len);
+			rc = SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
+					  cfile->fid.volatile_fid, cfile->pid,
+					  &eof);
+		}
 		if (rc)
 			trace_smb3_falloc_err(xid, cfile->fid.persistent_fid,
 				tcon->tid, tcon->ses->Suid, off, len, rc);
-- 
2.13.6


  reply index

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-15  1:23 [PATCH 0/1] add support for fallocate mode 0 Ronnie Sahlberg
2020-01-15  1:23 ` Ronnie Sahlberg [this message]
2020-01-15  1:25   ` [PATCH] cifs: add support for fallocate mode 0 for non-sparse files Steve French
2020-01-15  2:25     ` ronnie sahlberg
2020-01-15 20:14       ` Steve French
2020-01-16  2:03         ` Steve French
2020-01-16  8:42           ` ronnie sahlberg
2020-01-17  0:27             ` Pavel Shilovsky
2020-01-17  0:56               ` ronnie sahlberg
2020-01-17  0:04 Ronnie Sahlberg
2020-01-17  1:15 Ronnie Sahlberg

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