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linux/fs/cifs
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Steve French 2eacc0acf6 smb3: do not error on fsync when readonly 
[ Upstream commit 71e6864eacbef0b2645ca043cdfbac272cb6cea3 ]

Linux allows doing a flush/fsync on a file open for read-only,
but the protocol does not allow that.  If the file passed in
on the flush is read-only try to find a writeable handle for
the same inode, if that is not possible skip sending the
fsync call to the server to avoid breaking the apps.

Reported-by: Julian Sikorski <belegdol@gmail.com>
Tested-by: Julian Sikorski <belegdol@gmail.com>
Suggested-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-12-01 09:23:34 +01:00
..
asn1.c
cifs: remove bogus debug code
2020-10-29 09:57:28 +01:00
cache.c
…
cifs_debug.c
cifs: Don't display RDMA transport on reconnect
2019-12-21 11:04:43 +01:00
cifs_debug.h
cifs: add a debug macro that prints \\server\share for errors
2019-09-16 11:43:38 -05:00
cifs_dfs_ref.c
cifs: prevent NULL deref in cifs_compose_mount_options()
2021-07-25 14:35:13 +02:00
cifs_fs_sb.h
smb3: add mount option to allow RW caching of share accessed by only 1 client
2019-09-16 11:43:38 -05:00
cifs_ioctl.h
smb3: allow decryption keys to be dumped by admin for debugging
2019-09-21 06:02:26 -05:00
cifs_spnego.c
Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs"
2019-07-10 18:43:43 -07:00
cifs_spnego.h
…
cifs_unicode.c
CIFS: Fix a potencially linear read overflow
2021-09-15 09:47:36 +02:00
cifs_unicode.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
cifs_uniupr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
cifsacl.c
cifs: fix a memleak with modefromsid
2020-12-02 08:49:45 +01:00
cifsacl.h
smb3: missing ACL related flags
2019-09-26 16:37:43 -05:00
cifsencrypt.c
fs: cifs: switch to RC4 library interface
2019-06-20 14:19:55 +08:00
cifsfs.c
cifs: return proper error code in statfs(2)
2021-03-17 17:03:34 +01:00
cifsfs.h
cifs: update internal module version number
2019-09-16 19:18:39 -05:00
cifsglob.h
cifs: fix missing spinlock around update to ses->status
2021-07-14 16:53:19 +02:00
cifspdu.h
smb3: missing defines and structs for reparse point handling
2018-11-02 14:09:41 -05:00
cifsproto.h
cifs: fix rename() by ensuring source handle opened with DELETE bit
2020-03-12 13:00:18 +01:00
cifsroot.c
cifs: cifsroot: add more err checking
2019-09-16 11:43:39 -05:00
cifssmb.c
cifs: fix leaked reference on requeued write
2020-05-20 08:20:34 +02:00
connect.c
cifs: fix incorrect check for null pointer in header_assemble
2021-09-30 10:09:21 +02:00
dfs_cache.c
cifs: fix unitialized variable poential problem with network I/O cache lock patch
2020-02-24 08:36:58 +01:00
dfs_cache.h
cifs: Fix DFS cache refresher for DFS links
2019-05-07 23:24:54 -05:00
dir.c
cifs: report error instead of invalid when revalidating a dentry fails
2021-02-10 09:25:30 +01:00
dns_resolve.c
keys: Pass the network namespace into request_key mechanism
2019-06-27 23:02:12 +01:00
dns_resolve.h
…
export.c
docs: fs: convert docs without extension to ReST
2019-07-31 13:31:05 -06:00
file.c
smb3: do not error on fsync when readonly
2021-12-01 09:23:34 +01:00
fscache.c
…
fscache.h
…
inode.c
cifs: handle -EINTR in cifs_setattr
2020-11-05 11:43:21 +01:00
ioctl.c
smb3: allow decryption keys to be dumped by admin for debugging
2019-09-21 06:02:26 -05:00
Kconfig
various cifs/smb3 fixes (including for share deleted cases) and features including improved encrypted read performance, and various debugging improvements
2019-09-19 10:32:16 -07:00
link.c
SMB3: Clean up query symlink when reparse point
2019-05-07 23:24:55 -05:00
Makefile
cifs: Add support for root file systems
2019-09-16 11:43:38 -05:00
misc.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 13:17:21 +02:00
netmisc.c
fs: cifs: mute -Wunused-const-variable message
2019-10-06 22:04:35 -05:00
nterr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
nterr.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61
2019-05-24 17:36:45 +02:00
ntlmssp.h
…
readdir.c
cifs: check ntwrk_buf_start for NULL before dereferencing it
2018-12-23 22:41:31 -06:00
rfc1002pdu.h
…
sess.c
cifs: fix wrong release in sess_alloc_buffer() failed path
2021-09-22 12:26:35 +02:00
smb1ops.c
CIFS: Properly process SMB3 lease breaks
2020-10-01 13:17:21 +02:00
smb2file.c
cifs: Adjust indentation in smb2_open_file
2020-01-17 19:48:27 +01:00
smb2glob.h
cifs: change SMB2_OP_RENAME and SMB2_OP_HARDLINK to use compounding
2018-10-23 21:16:04 -05:00
smb2inode.c
cifs: fix rename() by ensuring source handle opened with DELETE bit
2020-03-12 13:00:18 +01:00
smb2maperror.c
smb3: improve handling of share deleted (and share recreated)
2019-09-16 11:43:38 -05:00
smb2misc.c
cifs: Silently ignore unknown oplock break handle
2021-04-10 13:34:31 +02:00
smb2ops.c
cifs: fix the out of range assignment to bit fields in parse_server_interfaces
2021-07-31 08:19:38 +02:00
smb2pdu.c
SMB3: incorrect file id in requests compounded with open
2021-06-03 08:59:12 +02:00
smb2pdu.h
smb3: Fix out-of-bounds bug in SMB2_negotiate()
2021-02-10 09:25:30 +01:00
smb2proto.h
smb3: remove unused flag passed into close functions
2021-01-19 18:26:13 +01:00
smb2status.h
cifs: don't use __constant_cpu_to_le32()
2019-05-07 23:24:54 -05:00
smb2transport.c
CIFS: Fix task struct use-after-free on reconnect
2020-02-01 09:34:37 +00:00
smbdirect.c
cifs: smbd: Return -ECONNABORTED when trasnport is not in connected state
2019-12-21 11:04:43 +01:00
smbdirect.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
smbencrypt.c
fs: cifs: move from the crypto cipher API to the new DES library interface
2019-08-22 14:57:34 +10:00
smberr.h
…
smbfsctl.h
smb3: Add missing reparse tags
2019-09-24 23:31:32 -05:00
trace.c
smb3: Cleanup license mess
2019-01-24 09:37:33 -06:00
trace.h
smb3: add missing worker function for SMB3 change notify
2019-09-16 11:43:39 -05:00
transport.c
cifs: change noisy error message to FYI
2021-03-30 14:35:21 +02:00
winucase.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
2019-05-30 11:26:35 -07:00
xattr.c
CIFS: fix max ea value size
2019-09-23 23:28:59 -05:00