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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
..
9p
9p-for-6.2-rc1
2022-12-23 11:39:18 -08:00
adfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
affs
affs: initialize fsdata in affs_truncate()
2023-01-10 14:55:20 +01:00
afs
rxrpc: Move call state changes from recvmsg to I/O thread
2023-01-06 09:43:33 +00:00
autofs
autofs: remove unused ino field inode
2022-07-17 17:31:42 -07:00
befs
befs: Convert befs_symlink_read_folio() to use a folio
2022-08-02 12:34:03 -04:00
bfs
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
btrfs
for-6.2-rc7-tag
2023-02-12 11:26:36 -08:00
cachefiles
fscache,cachefiles: add prepare_ondemand_read() callback
2022-12-07 10:56:29 +08:00
ceph
ceph: flush cap releases when the session is flushed
2023-02-07 16:55:14 +01:00
cifs
cifs: Build the RDMA SGE list directly from an iterator
2023-02-20 18:36:02 -06:00
coda
coda: Convert coda_symlink_filler() to use a folio
2022-08-02 12:34:03 -04:00
configfs
configfs: fix possible memory leak in configfs_create_dir()
2022-12-02 11:11:22 +01:00
cramfs
cramfs: read_mapping_page() is synchronous
2022-08-02 12:34:02 -04:00
crypto
for-6.2/block-2022-12-08
2022-12-13 10:43:59 -08:00
debugfs
debugfs: fix error when writing negative value to atomic_t debugfs file
2022-11-30 16:13:16 -08:00
devpts
…
dlm
Treewide: Stop corrupting socket's task_frag
2022-12-19 17:28:49 -08:00
ecryptfs
ecryptfs: use stub posix acl handlers
2022-10-20 10:13:31 +02:00
efivarfs
efi: vars: prohibit reading random seed variables
2022-12-01 09:51:21 +01:00
efs
efs: Convert efs symlinks to read_folio
2022-05-09 16:21:45 -04:00
erofs
erofs: clean up parsing of fscache related options
2023-01-16 22:39:47 +08:00
exfat
Description for this pull request:
2022-12-15 18:14:21 -08:00
exportfs
exportfs: use pr_debug for unreachable debug statements
2022-11-28 12:54:45 -05:00
ext2
\n
2022-12-12 20:32:50 -08:00
ext4
ext4: make xattr char unsignedness in hash explicit
2023-01-24 12:38:45 -08:00
f2fs
f2fs: let's avoid panic if extent_tree is not created
2023-01-03 08:59:06 -08:00
fat
MM patches for 6.2-rc1.
2022-12-13 19:29:45 -08:00
freevxfs
freevxfs: Kconfig: fix spelling
2023-01-31 16:44:08 -08:00
fscache
fscache: Use clear_and_wake_up_bit() in fscache_create_volume_work()
2023-01-30 12:51:54 +00:00
fuse
fuse: fixes after adapting to new posix acl api
2023-01-24 16:33:37 +01:00
gfs2
Revert "gfs2: stop using generic_writepages in gfs2_ail1_start_one"
2023-01-22 09:46:14 +01:00
hfs
hfs/hfsplus: avoid WARN_ON() for sanity check, use proper error handling
2023-01-06 14:09:13 -08:00
hfsplus
MM patches for 6.2-rc1.
2022-12-13 19:29:45 -08:00
hostfs
hostfs: move from strlcpy with unused retval to strscpy
2022-09-19 22:46:25 +02:00
hpfs
hpfs: remove ->writepage
2022-12-11 18:12:18 -08:00
hugetlbfs
hugetlbfs: inode: remove unnecessary (void*) conversions
2022-11-30 15:58:56 -08:00
iomap
New XFS code for 6.2:
2022-12-14 10:11:51 -08:00
isofs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
jbd2
jbd2: switch jbd2_submit_inode_data() to use fs-provided hook for data writeout
2022-12-08 21:49:25 -05:00
jffs2
fs: rename current get acl method
2022-10-20 10:13:27 +02:00
jfs
MM patches for 6.2-rc1.
2022-12-13 19:29:45 -08:00
kernfs
kernfs: fix all kernel-doc warnings and multiple typos
2022-11-23 19:28:26 +01:00
ksmbd
smb3: Replace smb2pdu 1-element arrays with flex-arrays
2023-02-20 17:25:43 -06:00
lockd
NFSD 6.2 Release Notes
2022-12-12 20:54:39 -08:00
minix
vfs: open inside ->tmpfile()
2022-09-24 07:00:00 +02:00
netfs
netfs: Add a function to extract an iterator into a scatterlist
2023-02-20 17:25:43 -06:00
nfs
Revert "NFSv4.2: Change the default KConfig value for READ_PLUS"
2023-02-17 09:07:19 -05:00
nfs_common
…
nfsd
nfsd-6.2 fixes:
2023-02-15 11:48:56 -08:00
nilfs2
nilfs2: fix underflow in second superblock position calculations
2023-02-17 15:07:05 -08:00
nls
…
notify
Merge tag 'fsnotify-for_v6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2022-10-07 08:28:50 -07:00
ntfs
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
ntfs3
fs/ntfs3: don't hold ni_lock when calling truncate_setsize()
2023-01-02 10:31:09 -08:00
ocfs2
Treewide: Stop corrupting socket's task_frag
2022-12-19 17:28:49 -08:00
omfs
omfs: remove ->writepage
2022-12-11 18:12:18 -08:00
openpromfs
fs: allocate inode by using alloc_inode_sb()
2022-03-22 15:57:03 -07:00
orangefs
orangefs: four fixes from Zhang Xiaoxu and two from Colin Ian King
2022-12-14 11:16:33 -08:00
overlayfs
ovl: fail on invalid uid/gid mapping at copy up
2023-01-27 16:17:19 +01:00
proc
mm: hugetlb: proc: check for hugetlb shared PMD in /proc/PID/smaps
2023-01-31 16:44:09 -08:00
pstore
pstore updates for v6.2-rc1-fixes
2022-12-23 11:55:54 -08:00
qnx4
fs: Convert block_read_full_page() to block_read_full_folio()
2022-05-09 16:21:44 -04:00
qnx6
fs/qnx6: delete unnecessary checks before brelse()
2022-09-11 21:55:07 -07:00
quota
ext4: fix bug_on in __es_tree_search caused by bad quota inode
2022-12-08 21:49:23 -05:00
ramfs
tmpfile API change
2022-10-10 19:45:17 -07:00
reiserfs
lsm/stable-6.2 PR 20221212
2022-12-13 09:47:48 -08:00
romfs
romfs: Convert romfs to read_folio
2022-05-09 16:21:46 -04:00
smbfs_common
smb3: Replace smb2pdu 1-element arrays with flex-arrays
2023-02-20 17:25:43 -06:00
squashfs
revert "squashfs: harden sanity check in squashfs_read_xattr_id_table"
2023-02-03 17:52:25 -08:00
sysfs
kobject: kobj_type: remove default_attrs
2022-04-05 15:39:19 +02:00
sysv
fs: sysv: Fix sysv_nblocks() returns wrong value
2022-12-10 14:13:37 -05:00
tracefs
tracefs: Only clobber mode/uid/gid on remount if asked
2022-09-08 17:10:54 -04:00
ubifs
treewide: use get_random_u32_below() instead of deprecated function
2022-11-18 02:15:15 +01:00
udf
udf: initialize newblock to 0
2023-01-06 15:44:32 +01:00
ufs
ufs: replace ll_rw_block()
2022-09-11 20:26:07 -07:00
unicode
…
vboxsf
vboxsf: Convert vboxsf to read_folio
2022-05-09 16:21:46 -04:00
verity
fsverity: simplify fsverity_get_digest()
2022-11-29 21:07:41 -08:00
xfs
xfs: fix extent busy updating
2023-01-05 07:34:21 -08:00
zonefs
zonefs: Detect append writes at invalid locations
2023-01-16 08:42:12 +09:00
aio.c
aio: fix mremap after fork null-deref
2023-02-03 17:52:24 -08:00
anon_inodes.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
attr.c
attr: use consistent sgid stripping checks
2022-10-18 10:09:47 +02:00
bad_inode.c
fs: rename current get acl method
2022-10-20 10:13:27 +02:00
binfmt_elf_fdpic.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
binfmt_elf_test.c
…
binfmt_elf.c
elfcore: Add a cprm parameter to elf_core_extra_{phdrs,data_size}
2023-01-05 15:12:12 +00:00
binfmt_flat.c
binfmt_flat: Remove shared library support
2022-04-22 10:57:18 -07:00
binfmt_misc.c
binfmt_misc: fix shift-out-of-bounds in check_special_flags
2022-12-02 13:57:04 -08:00
binfmt_script.c
…
buffer.c
- hfs and hfsplus kmap API modernization from Fabio Francesco
2022-10-12 11:00:22 -07:00
char_dev.c
chardev: fix error handling in cdev_device_add()
2022-12-02 17:48:59 +01:00
compat_binfmt_elf.c
…
coredump.c
coredump: Move dump_emit_page() to kill unused warning
2023-01-10 21:03:01 -05:00
d_path.c
d_path.c: typo fix...
2022-08-20 11:34:33 -04:00
dax.c
fsdax: dax_unshare_iter() should return a valid length
2023-02-03 17:52:24 -08:00
dcache.c
tmpfile API change
2022-10-10 19:45:17 -07:00
direct-io.c
block: remove PSI accounting from the bio layer
2022-09-20 08:24:38 -06:00
drop_caches.c
…
eventfd.c
eventfd: provide a eventfd_signal_mask() helper
2022-11-22 06:07:55 -07:00
eventpoll.c
eventpoll: add EPOLL_URING_WAKE poll wakeup flag
2022-11-21 07:45:29 -07:00
exec.c
fs.vfsuid.conversion.v6.2
2022-12-12 19:20:05 -08:00
fcntl.c
keep iocb_flags() result cached in struct file
2022-06-10 16:10:23 -04:00
fhandle.c
do_sys_name_to_handle(): constify path
2022-09-01 17:36:39 -04:00
file_table.c
locks: fix TOCTOU race when granting write lease
2022-08-16 10:59:54 -04:00
file.c
fs: use acquire ordering in __fget_light()
2022-10-31 15:30:11 -04:00
filesystems.c
…
fs_context.c
…
fs_parser.c
ext4: journal_path mount options should follow links
2022-12-01 10:46:54 -05:00
fs_pin.c
…
fs_struct.c
…
fs_types.c
…
fs-writeback.c
for-6.2/writeback-2022-12-12
2022-12-15 18:09:48 -08:00
fsopen.c
uninline may_mount() and don't opencode it in fspick(2)/fsopen(2)
2022-05-19 23:25:10 -04:00
init.c
…
inode.c
fs.vfsuid.conversion.v6.2
2022-12-12 19:20:05 -08:00
internal.h
fs.ovl.setgid.v6.2
2022-12-12 19:03:10 -08:00
ioctl.c
Fixes for 5.18-rc1:
2022-04-01 19:35:56 -07:00
Kconfig
hugetlb: make hugetlb depends on SYSFS or SYSCTL
2022-09-11 20:26:10 -07:00
Kconfig.binfmt
Xtensa updates for v6.1
2022-10-10 14:21:11 -07:00
kernel_read_file.c
fs/kernel_read_file: allow to read files up-to ssize_t
2022-06-16 19:58:21 -07:00
libfs.c
libfs: add DEFINE_SIMPLE_ATTRIBUTE_SIGNED for signed value
2022-11-30 16:13:16 -08:00
locks.c
Add process name and pid to locks warning
2022-11-30 05:08:10 -05:00
Makefile
a.out: Remove the a.out implementation
2022-09-27 07:11:02 -07:00
mbcache.c
ext4: fix deadlock due to mbcache entry corruption
2022-12-08 21:49:25 -05:00
mount.h
switch try_to_unlazy_next() to __legitimize_mnt()
2022-07-05 16:18:21 -04:00
mpage.c
Folio changes for 6.0
2022-08-03 10:35:43 -07:00
namei.c
Landlock updates for v6.2-rc1
2022-12-13 09:14:50 -08:00
namespace.c
fs.idmapped.mnt_idmap.v6.2
2022-12-12 19:30:18 -08:00
no-block.c
…
nsfs.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
open.c
Landlock updates for v6.2-rc1
2022-12-13 09:14:50 -08:00
pipe.c
dynamic_dname(): drop unused dentry argument
2022-08-20 11:34:04 -04:00
pnode.c
pnode: terminate at peers of source
2022-12-21 14:45:25 +01:00
pnode.h
…
posix_acl.c
fs.idmapped.mnt_idmap.v6.2
2022-12-12 19:30:18 -08:00
proc_namespace.c
vfs: escape hash as well
2022-06-28 13:58:05 -04:00
read_write.c
iov_iter work; most of that is about getting rid of
2022-12-12 18:29:54 -08:00
readdir.c
Change calling conventions for filldir_t
2022-08-17 17:25:04 -04:00
remap_range.c
New VFS code for 6.2:
2022-12-13 10:26:38 -08:00
select.c
…
seq_file.c
use less confusing names for iov_iter direction initializers
2022-11-25 13:01:55 -05:00
signalfd.c
…
splice.c
splice: Export filemap/direct_splice_read()
2023-02-20 17:25:43 -06:00
stack.c
…
stat.c
fs: use type safe idmapping helpers
2022-10-26 10:02:34 +02:00
statfs.c
…
super.c
misc pile
2022-12-12 18:38:47 -08:00
sync.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
sysctls.c
…
timerfd.c
…
userfaultfd.c
mm/userfaultfd: enable writenotify while userfaultfd-wp is enabled for a VMA
2023-01-11 16:14:20 -08:00
utimes.c
…
xattr.c
fs.xattr.simple.rework.rbtree.rwlock.v6.2
2022-12-13 10:08:36 -08:00