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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	stable@vger.kernel.org, Steve French <smfrench@gmail.com>,
	Ronnie Sahlberg <lsahlber@redhat.com>,
	Pavel Shilovsky <pshilov@microsoft.com>
Subject: [PATCH 4.4 17/41] SMB3: Dont ignore O_SYNC/O_DSYNC and O_DIRECT flags
Date: Tue,  3 Oct 2017 14:21:18 +0200	[thread overview]
Message-ID: <20171003114220.947393589@linuxfoundation.org> (raw)
In-Reply-To: <20171003114219.900672076@linuxfoundation.org>

4.4-stable review patch.  If anyone has any objections, please let me know.

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

From: Steve French <smfrench@gmail.com>

commit 1013e760d10e614dc10b5624ce9fc41563ba2e65 upstream.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 fs/cifs/file.c |    7 +++++++
 1 file changed, 7 insertions(+)

--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -224,6 +224,13 @@ cifs_nt_open(char *full_path, struct ino
 	if (backup_cred(cifs_sb))
 		create_options |= CREATE_OPEN_BACKUP_INTENT;
 
+	/* O_SYNC also has bit for O_DSYNC so following check picks up either */
+	if (f_flags & O_SYNC)
+		create_options |= CREATE_WRITE_THROUGH;
+
+	if (f_flags & O_DIRECT)
+		create_options |= CREATE_NO_BUFFER;
+
 	oparms.tcon = tcon;
 	oparms.cifs_sb = cifs_sb;
 	oparms.desired_access = desired_access;

  parent reply	other threads:[~2017-10-03 12:23 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-03 12:21 [PATCH 4.4 00/41] 4.4.90-stable review Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 01/41] cifs: release auth_key.response for reconnect Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 02/41] mac80211: flush hw_roc_start work before cancelling the ROC Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 03/41] KVM: PPC: Book3S: Fix race and leak in kvm_vm_ioctl_create_spapr_tce() Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 04/41] tracing: Fix trace_pipe behavior for instance traces Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 05/41] tracing: Erase irqsoff trace with empty write Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 06/41] md/raid5: fix a race condition in stripe batch Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 07/41] md/raid5: preserve STRIPE_ON_UNPLUG_LIST in break_stripe_batch_list Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 08/41] scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesnt parse nlmsg properly Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 09/41] crypto: talitos - Dont provide setkey for non hmac hashing algs Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 10/41] crypto: talitos - fix sha224 Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 11/41] KEYS: fix writing past end of user-supplied buffer in keyring_read() Greg Kroah-Hartman
2017-10-16 15:47   ` Ben Hutchings
2017-10-16 18:12     ` Eric Biggers
2017-10-16 18:12       ` Eric Biggers
2017-10-19 15:27     ` David Howells
2017-10-19 17:09       ` Eric Biggers
2017-10-24 23:19       ` Eric Biggers
2017-10-25  9:31         ` Ben Hutchings
2017-11-01 15:24         ` David Howells
2017-10-03 12:21 ` [PATCH 4.4 12/41] KEYS: prevent creating a different users keyrings Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 13/41] KEYS: prevent KEYCTL_READ on negative key Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 14/41] powerpc/pseries: Fix parent_dn reference leak in add_dt_node() Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 15/41] Fix SMB3.1.1 guest authentication to Samba Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 16/41] SMB: Validate negotiate (to protect against downgrade) even if signing off Greg Kroah-Hartman
2017-10-03 12:21 ` Greg Kroah-Hartman [this message]
2017-10-03 12:21 ` [PATCH 4.4 18/41] vfs: Return -ENXIO for negative SEEK_HOLE / SEEK_DATA offsets Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 19/41] nl80211: check for the required netlink attributes presence Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 20/41] bsg-lib: dont free job in bsg_prepare_job Greg Kroah-Hartman
2017-10-16 16:32   ` Ben Hutchings
2017-10-03 12:21 ` [PATCH 4.4 21/41] seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter() Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 22/41] arm64: Make sure SPsel is always set Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 23/41] arm64: fault: Route pte translation faults via do_translation_fault Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 25/41] kvm: nVMX: Dont allow L2 to access the hardware CR8 Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 26/41] PCI: Fix race condition with driver_override Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 27/41] btrfs: fix NULL pointer dereference from free_reloc_roots() Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 28/41] btrfs: propagate error to btrfs_cmp_data_prepare caller Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 29/41] btrfs: prevent to set invalid default subvolid Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 30/41] x86/fpu: Dont let userspace set bogus xcomp_bv Greg Kroah-Hartman
2017-10-03 12:21   ` [kernel-hardening] " Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 31/41] gfs2: Fix debugfs glocks dump Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 32/41] timer/sysclt: Restrict timer migration sysctl values to 0 and 1 Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 35/41] cxl: Fix driver use count Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 36/41] dmaengine: mmp-pdma: add number of requestors Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 37/41] ARM: pxa: add the number of DMA requestor lines Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 38/41] ARM: pxa: fix " Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 39/41] KVM: VMX: use cmpxchg64 Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 40/41] video: fbdev: aty: do not leak uninitialized padding in clk to userspace Greg Kroah-Hartman
2017-10-03 12:21 ` [PATCH 4.4 41/41] swiotlb-xen: implement xen_swiotlb_dma_mmap callback Greg Kroah-Hartman
2017-10-03 19:26 ` [PATCH 4.4 00/41] 4.4.90-stable review Shuah Khan
2017-10-03 20:30 ` Tom Gall
2017-10-04  7:55   ` Greg Kroah-Hartman
2017-10-04  8:29     ` Sumit Semwal
2017-10-03 20:41 ` Guenter Roeck

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