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3d78fe73fa
linux/fs/cifs
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David Howells 3d78fe73fa cifs: Build the RDMA SGE list directly from an iterator 
In the depths of the cifs RDMA code, extract part of an iov iterator
directly into an SGE list without going through an intermediate
scatterlist.

Note that this doesn't support extraction from an IOBUF- or UBUF-type
iterator (ie. user-supplied buffer).  The assumption is that the higher
layers will extract those to a BVEC-type iterator first and do whatever is
required to stop the pages from going away.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Steve French <sfrench@samba.org>
cc: Shyam Prasad N <nspmangalore@gmail.com>
cc: Rohith Surabattula <rohiths.msft@gmail.com>
cc: Tom Talpey <tom@talpey.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-cifs@vger.kernel.org
cc: linux-rdma@vger.kernel.org

Link: https://lore.kernel.org/r/166697260361.61150.5064013393408112197.stgit@warthog.procyon.org.uk/ # rfc
Link: https://lore.kernel.org/r/166732032518.3186319.1859601819981624629.stgit@warthog.procyon.org.uk/ # rfc
Signed-off-by: Steve French <stfrench@microsoft.com>
2023-02-20 18:36:02 -06:00
..
asn1.c cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cached_dir.c cifs: return a single-use cfid if we did not get a lease 2023-02-20 11:48:48 -06:00
cached_dir.h cifs: drop the lease for cached directories on rmdir or rename 2022-10-19 17:57:41 -05:00
cifs_debug.c cifs: print last update time for interface list 2023-02-20 11:48:47 -06:00
cifs_debug.h smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_dfs_ref.c cifs: use origin fullpath for automounts 2022-12-19 08:03:12 -06:00
cifs_fs_sb.h cifs: support nested dfs links over reconnect 2021-11-10 16:30:13 -06:00
cifs_ioctl.h cifs: minor cleanup of some headers 2022-12-12 13:08:06 -06:00
cifs_spnego_negtokeninit.asn1 cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cifs_spnego.c cred: Do not default to init_cred in prepare_kernel_cred() 2022-11-01 10:04:52 -07:00
cifs_spnego.h cifs: Replace remaining 1-element arrays 2023-02-20 11:48:48 -06:00
cifs_swn.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_swn.h cifs: simplify SWN code with dummy funcs instead of ifdefs 2021-04-25 16:28:22 -05:00
cifs_unicode.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
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 uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
cifsacl.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
cifsencrypt.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
cifsfs.c cifs: Implement splice_read to pass down ITER_BVEC not ITER_PIPE 2023-02-20 17:25:43 -06:00
cifsfs.h cifs: Add some helper functions 2023-02-20 17:25:44 -06:00
cifsglob.h cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
cifspdu.h cifs: Replace remaining 1-element arrays 2023-02-20 11:48:48 -06:00
cifsproto.h cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
cifsroot.c cifs: move from strlcpy with unused retval to strscpy 2022-08-19 11:02:26 -05:00
cifssmb.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
connect.c cifs: Add a function to read into an iter from a socket 2023-02-20 17:25:44 -06:00
dfs_cache.c cifs: remove unused function 2023-01-18 14:49:51 -06:00
dfs_cache.h cifs: remove unused function 2023-01-18 14:49:51 -06:00
dfs.c cifs: protect access of TCP_Server_Info::{dstaddr,hostname} 2023-01-04 09:06:53 -06:00
dfs.h cifs: use origin fullpath for automounts 2022-12-19 08:03:12 -06:00
dir.c cifs: Fix uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
dns_resolve.c cifs: set resolved ip in sockaddr 2022-12-19 08:03:11 -06:00
dns_resolve.h cifs: set resolved ip in sockaddr 2022-12-19 08:03:11 -06:00
export.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
file.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
fs_context.c cifs: share dfs connections and supers 2022-12-19 08:03:12 -06:00
fs_context.h cifs: share dfs connections and supers 2022-12-19 08:03:12 -06:00
fscache.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
fscache.h cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
inode.c cifs: Fix uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
ioctl.c cifs: Fix wrong return value checking when GETFLAGS 2022-11-16 00:21:04 -06:00
Kconfig cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
link.c cifs: Fix uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
Makefile cifs: get rid of mount options string parsing 2022-12-19 08:03:11 -06:00
misc.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
netlink.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink.h cifs: Register generic netlink family 2020-12-14 09:16:22 -06:00
netmisc.c cifs: remove unused server parameter from calc_smb_size() 2022-08-17 18:07:13 -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 cifs: Replace zero-length arrays with flexible-array members 2023-02-20 11:48:47 -06:00
readdir.c cifs: Replace remaining 1-element arrays 2023-02-20 11:48:48 -06:00
rfc1002pdu.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
sess.c cifs: get rid of dns resolve worker 2023-02-20 17:25:43 -06:00
smb1ops.c cifs: Fix uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
smb2file.c smb3: Replace smb2pdu 1-element arrays with flex-arrays 2023-02-20 17:25:43 -06:00
smb2glob.h smb3: move defines for ioctl protocol header and SMB2 sizes to smbfs_common 2022-03-26 23:09:20 -05:00
smb2inode.c cifs: Fix uninitialized memory reads for oparms.mode 2023-02-20 11:48:48 -06:00
smb2maperror.c cifs: Create a new shared file holding smb2 pdu definitions 2021-11-05 09:50:57 -05:00
smb2misc.c smb3: Replace smb2pdu 1-element arrays with flex-arrays 2023-02-20 17:25:43 -06:00
smb2ops.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
smb2pdu.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
smb2pdu.h smb3: Replace smb2pdu 1-element arrays with flex-arrays 2023-02-20 17:25:43 -06:00
smb2proto.h cifs: Parse owner/group for stat in smb311 posix extensions 2022-12-08 09:51:53 -06:00
smb2status.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
smb2transport.c cifs: avoid unnecessary iteration of tcp sessions 2022-11-04 23:34:40 -05:00
smbdirect.c cifs: Build the RDMA SGE list directly from an iterator 2023-02-20 18:36:02 -06:00
smbdirect.h cifs: Build the RDMA SGE list directly from an iterator 2023-02-20 18:36:02 -06:00
smbencrypt.c cifs: rename cifs_common to smbfs_common 2021-09-08 23:59:26 -05:00
smberr.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
trace.c smb3: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
transport.c cifs: Change the I/O paths to use an iterator rather than a page list 2023-02-20 18:36:02 -06:00
unc.c cifs: don't cargo-cult strndup() 2021-04-25 16:28:23 -05:00
winucase.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
xattr.c cifs: use stub posix acl handlers 2022-10-20 10:13:32 +02:00