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* cifs: Don't match port on SMBDirect transportLong Li2019-05-161-0/+4
| | | | | | | | | SMBDirect manages its own ports in the transport layer, there is no need to check the port to find a connection. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie sahlberg <lsahlber@redhat.com>
* cifs:smbd Use the correct DMA direction when sending dataLong Li2019-05-141-3/+5
| | | | | | | | | | When sending data, use the DMA_TO_DEVICE to map buffers. Also log the number of requests in a compounding request from upper layer. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com> Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
* cifs:smbd When reconnecting to server, call smbd_destroy() after all MIDs ↵Long Li2019-05-141-17/+20
| | | | | | | | | | | | | | | | have been called commit 214bab448476 ("cifs: Call MID callback before destroying transport") assumes that the MID callback should not take srv_mutex, this may not always be true. SMB Direct requires the MID callback completed before calling transport so all pending memory registration can be freed. So restore the original calling sequence so TCP transport will use the same code, but moving smbd_destroy() after all MID has been called. fixes: 214bab448476 ("cifs: Call MID callback before destroying transport") Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
* cifs: use the right include for signal_pending()Ronnie Sahlberg2019-05-131-1/+1
| | | | | | | | This header is actually where signal_pending is defined although either would work. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
* smb3: trivial cleanup to smb2ops.cSteve French2019-05-091-1/+1
| | | | | | | | Minor cleanup - e.g. missing \n at end of debug statement. Reported-by: Christoph Probst <kernel@probst.it> Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
* cifs: cleanup smb2ops.c and normalize stringsChristoph Probst2019-05-091-22/+22
| | | | | | | | | | | | | | Fix checkpatch warnings/errors in smb2ops.c except "LONG_LINE". Add missing linebreaks, indentings, __func__. Remove void-returns, unneeded braces. Address warnings spotted by checkpatch. Add SPDX License Header. Add missing "\n" and capitalize first letter in some cifs_dbg() strings. Signed-off-by: Christoph Probst <kernel@probst.it> Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
* smb3: display session id in debug dataSteve French2019-05-091-0/+2
| | | | | | | | | | | Displaying the session id in /proc/fs/cifs/DebugData is needed in order to correlate Linux client information with network and server traces for many common support scenarios. Turned out to be very important for debugging. Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
* Merge tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6Linus Torvalds2019-05-0821-2184/+2582
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull cifs fixes from Steve French: "CIFS/SMB3 changes: - three fixes for stable - add fiemap support - improve zero-range support - various RDMA (smb direct fixes) I have an additional set of fixes (for improved handling of sparse files, mode bits, POSIX extensions) that are still being tested that are not included in this pull request but I expect to send in the next week" * tag '5.2-smb3' of git://git.samba.org/sfrench/cifs-2.6: (29 commits) cifs: update module internal version number SMB3: Clean up query symlink when reparse point cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level() Negotiate and save preferred compression algorithms cifs: rename and clarify CIFS_ASYNC_OP and CIFS_NO_RESP cifs: fix credits leak for SMB1 oplock breaks smb3: Add protocol structs for change notify support cifs: fix smb3_zero_range for Azure cifs: zero-range does not require the file is sparse Add new flag on SMB3.1.1 read cifs: add fiemap support SMB3: Add defines for new negotiate contexts cifs: fix bi-directional fsctl passthrough calls cifs: smbd: take an array of reqeusts when sending upper layer data SMB3: Add handling for different FSCTL access flags cifs: Add support for FSCTL passthrough that write data to the server cifs: remove superfluous inode_lock in cifs_{strict_}fsync cifs: Call MID callback before destroying transport cifs: smbd: Retry on memory registration failure cifs: smbd: Indicate to retry on transport sending failure ...
| * cifs: update module internal version numberSteve French2019-05-081-1/+1
| | | | | | | | | | | | To 2.20 Signed-off-by: Steve French <stfrench@microsoft.com>
| * SMB3: Clean up query symlink when reparse pointRonnie Sahlberg2019-05-084-17/+118
| | | | | | | | | | | | | | | | | | | | | | | | Two of the common symlink formats use reparse points (unlike mfsymlinks and also unlike the SMB1 posix extensions). This is the first part of the fixes to allow these reparse points (NFS style and Windows symlinks) to be resolved properly as symlinks by the client. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: fix strcat buffer overflow and reduce raciness in smb21_set_oplock_level()Christoph Probst2019-05-081-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | Change strcat to strncpy in the "None" case to fix a buffer overflow when cinode->oplock is reset to 0 by another thread accessing the same cinode. It is never valid to append "None" to any other message. Consolidate multiple writes to cinode->oplock to reduce raciness. Signed-off-by: Christoph Probst <kernel@probst.it> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org>
| * Negotiate and save preferred compression algorithmsSteve French2019-05-084-7/+61
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | New negotiate context (3) allows the server and client to negotiate which compression algorithms to use. Add support for this and save it off in the server structure. Also now displayed in /proc/fs/cifs/DebugData (see below example to Windows 10) where compression algoirthm "LZ77" was negotiated: Servers: Number of credits: 326 Dialect 0x311 COMPRESS_LZ77 signed 1) Name: 192.168.92.17 Uses: 1 Capability: 0x300067 Session Status: 1 TCP status: 1 Instance: 1 See MS-XCA and MS-SMB2 2.2.3.1 for more details. Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
| * cifs: rename and clarify CIFS_ASYNC_OP and CIFS_NO_RESPRonnie Sahlberg2019-05-084-107/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The flags were named confusingly. CIFS_ASYNC_OP now just means that we will not block waiting for credits to become available so we thus rename this to be CIFS_NON_BLOCKING. Change CIFS_NO_RESP to CIFS_NO_RSP_BUF to clarify that we will actually get a response from the server but we will not get/do not want a response buffer. Delete CIFSSMBNotify. This is an SMB1 function that is not used. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
| * cifs: fix credits leak for SMB1 oplock breaksRonnie Sahlberg2019-05-083-6/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For SMB1 oplock breaks we would grab one credit while sending the PDU but we would never relese the credit back since we will never receive a response to this from the server. Eventuallt this would lead to a hang once all credits are leaked. Fix this by defining a new flag CIFS_NO_SRV_RSP which indicates that there is no server response to this command and thus we need to add any credits back immediately after sending the PDU. CC: Stable <stable@vger.kernel.org> #v5.0+ Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * smb3: Add protocol structs for change notify supportSteve French2019-05-081-0/+36
| | | | | | | | | | | | | | | | | | | | | | Add the SMB3 protocol flag definitions and structs for change notify. Future patches will add the hooks to allow it to be invoked from the client. See MS-FSCC 2.6 and MS-SMB2 2.2.35 Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
| * cifs: fix smb3_zero_range for AzureRonnie Sahlberg2019-05-081-47/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For zero-range that also extend the file we were sending this as a compound of two different operations; a fsctl to set-zero-data for the range and then an additional set-info to extend the file size. This does not work for Azure since it does not support this fsctl which leads to fallocate(FALLOC_FL_ZERO_RANGE) failing but still changing the file size. To fix this we un-compound this and send these two operations as separate commands, firsat one command to set-zero-data for the range and it this was successful we proceed to send a set-info to update the file size. This fixes xfstest generic/469 for Azure servers. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: zero-range does not require the file is sparseRonnie Sahlberg2019-05-081-12/+0
| | | | | | | | | | | | | | | | | | | | | | | | Remove the conditional to fail zero-range if the file is not flagged as sparse. You can still zero out a range in SMB2 even for non-sparse files. Tested with stock windows16 server. Fixes 5 xfstests (033, 149, 155, 180, 349) Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * Add new flag on SMB3.1.1 readSteve French2019-05-081-0/+1
| | | | | | | | | | | | For compressed read support. See MS-SMB2 3.1.4.4 Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: add fiemap supportRonnie Sahlberg2019-05-088-2/+132
| | | | | | | | | | | | | | | | | | Useful for improved copy performance as well as for applications which query allocated ranges of sparse files. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * SMB3: Add defines for new negotiate contextsSteve French2019-05-082-4/+27
| | | | | | | | | | | | | | | | See the latest MS-SMB2 protocol specification updates. These will be needed for implementing compression support on the wire for example. Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: fix bi-directional fsctl passthrough callsRonnie Sahlberg2019-05-081-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | SMB2 Ioctl responses from servers may respond with both the request blob from the client followed by the actual reply blob for ioctls that are bi-directional. In that case we can not assume that the reply blob comes immediately after the ioctl response structure. This fixes FSCTLs such as SMB2:FSCTL_QUERY_ALLOCATED_RANGES Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: smbd: take an array of reqeusts when sending upper layer dataLong Li2019-05-083-30/+32
| | | | | | | | | | | | | | | | | | | | | | To support compounding, __smb_send_rqst() now sends an array of requests to the transport layer. Change smbd_send() to take an array of requests, and send them in as few packets as possible. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org>
| * SMB3: Add handling for different FSCTL access flagsSteve French2019-05-081-1/+9
| | | | | | | | | | | | | | | | | | | | | | DesiredAccess field in SMB3 open request needs to be set differently for READ vs. WRITE ioctls (not just ones that request both). Originally noticed by Pavel Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
| * cifs: Add support for FSCTL passthrough that write data to the serverRonnie Sahlberg2019-05-082-2/+42
| | | | | | | | | | | | | | Add support to pass a blob to the server in FSCTL passthrough. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: remove superfluous inode_lock in cifs_{strict_}fsyncJeff Layton2019-05-081-5/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Originally, filemap_write_and_wait took the i_mutex internally, but commit 02c24a82187d pushed the mutex acquisition into the individual fsync routines, leaving it up to the subsystem maintainers to remove it if it wasn't needed. For cifs, I see no reason to take the inode_lock here. All of the operations inside that lock are protected in other ways. Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> Acked-by: Pavel Shilovsky <pshilov@microsoft.com>
| * cifs: Call MID callback before destroying transportLong Li2019-05-081-17/+19
| | | | | | | | | | | | | | | | | | | | | | When transport is being destroyed, it's possible that some processes may hold memory registrations that need to be deregistred. Call them first so nobody is using transport resources, and it can be destroyed. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: smbd: Retry on memory registration failureLong Li2019-05-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | Memory registration failure doesn't mean this I/O has failed, it means the transport is hitting I/O error or needs reconnect. This error is not from the server. Indicate this error to upper layer, and let upper layer decide how to reconnect and proceed with this I/O. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: smbd: Indicate to retry on transport sending failureLong Li2019-05-081-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | Failure to send a packet doesn't mean it's a permanent failure, it can't be returned to user process. This I/O should be retried or failed based on server packet response and transport health. This logic is handled by the upper layer. Give this decision to upper layer. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: smbd: Return EINTR when interruptedLong Li2019-05-081-1/+1
| | | | | | | | | | | | | | | | When packets are waiting for outbound I/O and interrupted, return the proper error code to user process. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: smbd: Don't destroy transport on RDMA disconnectLong Li2019-05-083-127/+10
| | | | | | | | | | | | | | | | Now upper layer is handling the transport shutdown and reconnect, remove the code that handling transport shutdown on RDMA disconnect. Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * smbd: Make upper layer decide when to destroy the transportLong Li2019-05-083-27/+101
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On transport recoonect, upper layer CIFS code destroys the current transport and then recoonect. This code path is not used by SMBD, in that SMBD destroys its transport on RDMA disconnect notification independent of CIFS upper layer behavior. This approach adds some costs to SMBD layer to handle transport shutdown and restart, and to deal with several racing conditions on reconnecting transport. Re-work this code path by introducing a new smbd_destroy. This function is called form upper layer to ask SMBD to destroy the transport. SMBD will no longer need to destroy the transport by itself while worrying about data transfer is in progress. The upper layer guarantees the transport is locked. change log: v2: fix build errors when CONFIG_CIFS_SMB_DIRECT is not configured Signed-off-by: Long Li <longli@microsoft.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * SMB3: update comment to clarify enumerating snapshotsSteve French2019-05-081-0/+8
| | | | | | | | | | | | Trivial update to comment suggested by Pavel. Signed-off-by: Steve French <stfrench@microsoft.com>
| * CIFS: check CIFS_MOUNT_NO_DFS when trying to reuse existing sbAurelien Aptel2019-05-081-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | if we mount A then mount A again with nodfs, we shouldn't reuse the superblock. document the purpose of the defines as well. there are most likely more flags that needs to be added to this mask, in fact the logic to find them should be which flag should be *ignored* when trying to reuse an existing sb. Signed-off-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * CIFS: Show locallease in /proc/mounts for cifs shares mounted with ↵Kenneth D'souza2019-05-081-0/+2
| | | | | | | | | | | | | | | | | | | | locallease feature. Missing parameter that should be displayed in the mount list Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Kenneth D'souza <kdsouza@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: Fix DFS cache refresher for DFS linksPaulo Alcantara (SUSE)2019-05-084-25/+151
| | | | | | | | | | | | | | | | | | | | | | | | As per MS-DFSC, when a DFS cache entry is expired and it is a DFS link, then a new DFS referral must be sent to root server in order to refresh the expired entry. This patch ensures that all new DFS referrals for refreshing the cache are sent to DFS root. Signed-off-by: Paulo Alcantara (SUSE) <paulo@paulo.ac> Signed-off-by: Steve French <stfrench@microsoft.com>
| * cifs: don't use __constant_cpu_to_le32()Sergey Senozhatsky2019-05-081-1740/+1740
| | | | | | | | | | | | | | | | | | | | | | | | | | A trivial patch. cpu_to_le32() is capable enough to detect __builtin_constant_p() and to use an appropriate compile time ___constant_swahb32() function. So we can use cpu_to_le32() instead of __constant_cpu_to_le32(). Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Steve French <stfrench@microsoft.com>
| * SMB3: Track total time spent on roundtrips for each SMB3 commandSteve French2019-05-083-6/+44
| | | | | | | | | | | | Also track minimum and maximum time by command in /proc/fs/cifs/Stats Signed-off-by: Steve French <stfrench@microsoft.com>
* | Merge tag 'docs-5.2' of git://git.lwn.net/linuxLinus Torvalds2019-05-0899-1396/+6606
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull documentation updates from Jonathan Corbet: "A reasonably busy cycle for docs, including: - Lots of work on the Chinese and Italian translations - Some license-rules clarifications from Christoph - Various build-script fixes - A new document on memory models - RST conversion of the live-patching docs - The usual collection of typo fixes and corrections" * tag 'docs-5.2' of git://git.lwn.net/linux: (140 commits) docs/livepatch: Unify style of livepatch documentation in the ReST format docs: livepatch: convert docs to ReST and rename to *.rst scripts/documentation-file-ref-check: detect broken :doc:`foo` scripts/documentation-file-ref-check: don't parse Next/ dir LICENSES: Rename other to deprecated LICENSES: Clearly mark dual license only licenses docs: Don't reference the ZLib license in license-rules.rst docs/vm: Minor editorial changes in the THP and hugetlbfs docs/vm: add documentation of memory models doc:it_IT: translation alignment doc: fix typo in PGP guide dontdiff: update with Kconfig build artifacts docs/zh_CN: fix typos in 1.Intro.rst file docs/zh_CN: redirect CoC docs to Chinese version doc: mm: migration doesn't use FOLL_SPLIT anymore docs: doc-guide: remove the extension from .rst files doc: kselftest: Fix KBUILD_OUTPUT usage instructions docs: trace: fix some Sphinx warnings docs: speculation.txt: mark example blocks as such docs: ntb.txt: add blank lines to clean up some Sphinx warnings ...
| * | docs/livepatch: Unify style of livepatch documentation in the ReST formatPetr Mladek2019-05-082-115/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the structure of "Livepatch module Elf format" document similar to the main "Livepatch" document. Also make the structure of "(Un)patching Callbacks" document similar to the "Shadow Variables" document. It fixes the most visible inconsistencies of the documentation generated from the ReST format. Signed-off-by: Petr Mladek <pmladek@suse.com> Acked-by: Joe Lawrence <joe.lawrence@redhat.com> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Acked-by: Miroslav Benes <mbenes@suse.cz> Reviewed-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | docs: livepatch: convert docs to ReST and rename to *.rstMauro Carvalho Chehab2019-05-088-167/+228
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert livepatch documentation to ReST format. The changes are mostly trivial, as the documents are already on a good shape. Just a few markup changes are needed for Sphinx to properly parse the docs. The conversion is actually: - add blank lines and identation in order to identify paragraphs; - fix tables markups; - add some lists markups; - mark literal blocks; - The in-file TOC becomes a comment, in order to skip it from the output, as Sphinx already generates an index there. - adjust title markups. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Petr Mladek <pmladek@suse.com> Acked-by: Miroslav Benes <mbenes@suse.cz> Acked-by: Josh Poimboeuf <jpoimboe@redhat.com> Acked-by: Joe Lawrence <joe.lawrence@redhat.com> Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | scripts/documentation-file-ref-check: detect broken :doc:`foo`Mauro Carvalho Chehab2019-05-031-0/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | As we keep migrating documents to ReST, we're starting to see more of such tags. Right now, all such tags are pointing to a documentation file, but regressions may be introduced. So, add a check for such kind of issues as well. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | scripts/documentation-file-ref-check: don't parse Next/ dirMauro Carvalho Chehab2019-05-031-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If one tries to run this script under linux-next, it would hit lots of false-positives, due to the tree merges that are stored under the Next/ directory. So, add a logic to ignore it. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | LICENSES: Rename other to deprecatedChristoph Hellwig2019-05-035-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | Make it clear in the directory name that these are not intended for new code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | LICENSES: Clearly mark dual license only licensesChristoph Hellwig2019-05-034-3/+60
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just like the CDDL the Apache license and the MPL must only be used as a choice in additional to an GPL2 compatible license. Copy over the boilerplate from the CDDL file to the other two after fixing it up to make it clear the licenses need to be GPL2 compatible, not just the more generic GPL compatible. For example the Apache 2 license is GPL3 compatible, but that doesn't matter for the kernel. Also move these licenses to a separate directory and document the rules in license-rules.rst. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | docs: Don't reference the ZLib license in license-rules.rstChristoph Hellwig2019-05-031-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | We never had a file called LICENSES/other/ZLib in the tree, so don't reference it. Instead mention the GPL v1 as an (bad) example. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | docs/vm: Minor editorial changes in the THP and hugetlbfsRalph Campbell2019-04-302-44/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some minor wording changes and typo corrections. Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Mike Rapoport <rppt@linux.vnet.ibm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | docs/vm: add documentation of memory modelsMike Rapoport2019-04-302-0/+184
| | | | | | | | | | | | | | | | | | | | | | | | | | | Describe what {FLAT,DISCONTIG,SPARSE}MEM are and how they manage to maintain pfn <-> struct page correspondence. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | doc:it_IT: translation alignmentFederico Vaga2019-04-303-4/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Align Italian translation after the following changes in Documentation bba757d8578f coding-style.rst: Generic alloc functions do not need OOM logging d8e8bcc3d8de docs: doc-guide: remove the extension from .rst files Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | doc: fix typo in PGP guideFederico Vaga2019-04-301-1/+1
| | | | | | | | | | | | | | | | | | | | | Fix typo in the GPG guide for maintainers Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| * | dontdiff: update with Kconfig build artifactsMasahiro Yamada2019-04-301-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add generated *conf-cfg files. Commit 694c49a7c01c ("kconfig: drop localization support") removed "gconf.glade.h" and "kxgettext". "kconfig" and "lxdialog" should not be excluded either. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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