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2018-07-29staging:rtl8192u: Remove proxy rtl819XRadioB_Array - StyleJohn Whitmore2-5/+3
Remove the array rtl819XRadioB_Array Rtl8192UsbRadioB_Array which acts as a proxy the actual array Rtl8192UsbRadioB_Array. The only purpose, I can see for this implementation is to obscure the actual array being used Rtl8192UsbRadioB_Array. This is a coding style change which should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Remove proxy rtl819XRadioA_Array - StyleJohn Whitmore2-5/+3
The array rtl819XRadioA_Array serves as a proxy array for the actual array Rtl8192UsbRadioA_Array. This implementation seems to serve no other purpose then to obscure the actually array Rtl8192UsbRadioA_Array. This is a coding style change which should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Remove proxy array rtl819XAGCTAB_Array - StyleJohn Whitmore2-7/+5
Remove the array rtl819XAGCTAB_Array which is only a proxy to the array Rtl8192UsbAGCTAB_Array. There appears to be no purpose served by this implementation, other then to obscure the Rtl8192UsbAGCTAB_Array structure, which is actually written to and read from. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Remove proxy struct rtl819XPHY_REG_1T2RArray - StyleJohn Whitmore2-7/+4
Remove the struct rtl819XPHY_REG_1T2RArray which is simply a proxy for the struct Rtl8192UsbPHY_REG_1T2RArray. There appears to be no purpose served by this implementation, other then to obscure the Rtl8192UsbPHY_REG_1T2RArray structure. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Remove proxy struct rtl819XMACPHY_Array_PG - StyleJohn Whitmore2-3/+1
Remove the struct rtl819XMACPHY_Array_PG which is simply a proxy for the struct Rtl8192UsbMACPHY_Array_PG. There appears to be no purpose served by this implementation, other then to obscure the Rtl8192UsbMACPHY_Array_PG structure. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename msDelay to ms_delay - StyleJohn Whitmore2-4/+4
Rename the member variable msDelay to ms_delay. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change which should not impact runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename Para2 to para_2 - styleJohn Whitmore2-6/+6
Rename member variable Para2 to para_2. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change and should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename Para1 > para_1 - StyleJohn Whitmore2-6/+6
Rename the member variable Para1 to para_1. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change and should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename CmdID - StyleJohn Whitmore2-4/+4
Rename the member variable CmdId to cmd_id. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change which should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename SwChnlCmd - StyleJohn Whitmore2-9/+9
Rename the structure SwChnlCmd to sw_chnl_cmd. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change and should have no impact on runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Remove multiple blank lines - StyleJohn Whitmore1-3/+0
Remove multiple blank lines, raise a checkpatch issue. This is purely a coding style change which should not impact runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename ISR_BcnTimerIntr - StyleJohn Whitmore2-2/+2
Rename the bit definition ISR_BcnTimerIntr to ISR_BCN_TIMER_INTR. This change clears the checkpatch issue with CamelCase naming. The change is purely a style change and should not impact runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename ISR_TxBcnErr bit definition - StyleJohn Whitmore2-2/+2
Rename the bit definition ISR_TxBcnErr to ISR_TX_BCN_ERR. This change clears the checkpatch issue with CamelCase naming. The change is purely a coding style change which should not impact runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging:rtl8192u: Rename bit definition ISR_TxBcnOk - StyleJohn Whitmore2-2/+2
Rename the bit definition ISR_TxBcnOk to ISR_TX_BCN_OK. This change clears the checkpatch issue with CamelCase naming. The change is a coding style change which should not impact runtime code execution. Signed-off-by: John Whitmore <johnfwhitmore@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8188eu: remove unused rtw_get_oper_choffset()Michael Straube2-6/+0
The function rtw_get_oper_choffset() is never used, so remove it. Discovered by cppcheck. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8188eu: remove unused rtw_get_oper_bw()Michael Straube2-6/+0
The function rtw_get_oper_bw() is never used, so remove it. Discovered by cppcheck. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8188eu: remove unused CAM_empty_entry()Michael Straube2-6/+0
The function CAM_empty_entry() is never used, so remove it. Discovered by cppcheck. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8188eu: remove unused ODM_RASupport_Init()Michael Straube2-12/+0
The function ODM_RASupport_Init() is never used, so remove it. Discovered by cppcheck. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: wlan-ng: correction to comment in hfa384x_usbTim Collier1-1/+1
The comment for hfa384x_docmd incorrectly states that usercb_data should be NULL for DOASYNC calls; in fact, it should be NULL for DOWAIT calls (this is consistent with the other similar functions and the rest of the comment text). Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: wlan-ng: remove volatile from reapable field in hfa384x_usbctlxTim Collier1-1/+1
Fix checkpatch.pl warning: "Use of volatile is usually wrong: see Documentation/process/volatile-considered-harmful.rs" reapable is not used to access h/w directly, so volatile is not necessary. >From reading the code, the contexts in which the field may be updated/accessed across threads are protected by the hw->ctlxq.lock spinlock, where hw is the device struct, so appears thread-safe. Signed-off-by: Tim Collier <osdevtc@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8188eu: remove unused sreset_get_wifi_status()Michael Straube2-28/+0
The function sreset_get_wifi_status() is never used, so remove it. Discovered by cppcheck. Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: mt7621-mmc: Use BIT macro instead of explicit shifting in board.hNishad Kamdar1-4/+4
Replace explicit shifting with BIT macro in board.h. Issue found by checkpatch. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8192u: ieee80211: Convert from ahash to shashKees Cook1-29/+28
This is an identical change to the wireless/lib80211 of the same name. In preparing to remove all stack VLA usage from the kernel[1], this removes the discouraged use of AHASH_REQUEST_ON_STACK in favor of the smaller SHASH_DESC_ON_STACK by converting from ahash-wrapped-shash to direct shash. By removing a layer of indirection this both improves performance and reduces stack usage. The stack allocation will be made a fixed size in a later patch to the crypto subsystem. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: rtl8192e: ieee80211: Convert from ahash to shashKees Cook1-28/+28
This is an identical change to the wireless/lib80211 of the same name. In preparing to remove all stack VLA usage from the kernel[1], this removes the discouraged use of AHASH_REQUEST_ON_STACK in favor of the smaller SHASH_DESC_ON_STACK by converting from ahash-wrapped-shash to direct shash. By removing a layer of indirection this both improves performance and reduces stack usage. The stack allocation will be made a fixed size in a later patch to the crypto subsystem. [1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: gasket: use NULL instead of 0 for null pointerDmitriy Cherkasov1-1/+1
Fixes sparse warning: Using plain integer as NULL pointer Signed-off-by: Dmitriy Cherkasov <dmitriy@oss-tech.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: gasket: core: hold reference on device while in useTodd Poynor1-2/+2
Hold a reference on the struct device while a pointer to that device is in use by gasket. Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: erofs: fix conditional uninitialized `pcn' in z_erofs_map_blocks_iterGao Xiang1-4/+21
This patch adds error handling code for z_erofs_map_blocks_iter to fix the compiler blame. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-29staging: erofs: fix compile error without built-in decompression supportGao Xiang4-9/+11
This patch fixes incorrect code snippets due to spilt code into small patches by mistake. Link: https://lists.01.org/pipermail/kbuild-all/2018-July/050747.html Link: https://lists.01.org/pipermail/kbuild-all/2018-July/050750.html Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: axis-fifo: fix return value check in axis_fifo_probe()Wei Yongjun1-2/+2
In case of error, the function device_create() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 4a965c5f89de ("staging: add driver for Xilinx AXI-Stream FIFO v4.1 IP core") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: gasket: page table: remove code for "no dma_ops"Todd Poynor3-55/+8
Remove code with TODOs on it for working around apparent problems previously seen in a qemu environment where dma_ops was not set correctly. There is no user of this in the current code. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: gasket: sysfs: remove unnecessary NULL check on device ptrTodd Poynor1-5/+0
The device pointer passed into get_mapping() will never be NULL; the check is unnecessary. Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: gasket: apex: fixup undefined PCI classTodd Poynor1-0/+7
Apex chips with class 0 (PCI_CLASS_NOT_DEFINED) fixed up to PCI_CLASS_SYSTEM_OTHER to enable PCI resource assignments. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: gasket: sysfs: remove check for refcount already zeroTodd Poynor1-2/+0
Remove the check for refcount already zero, which shouldn't be necessary. Signed-off-by: Todd Poynor <toddpoynor@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-28staging: erofs: fix a compile warning of Z_EROFS_VLE_VMAP_ONSTACK_PAGESGao Xiang1-1/+1
There is a type mismatch in the definition of Z_EROFS_VLE_VMAP_ONSTACK_PAGES, let's fix it. Link: https://lists.01.org/pipermail/kbuild-all/2018-July/050707.html Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: add a TODO and update MAINTAINERS for stagingGao Xiang2-0/+52
This patch adds a TODO to list the things to be done, and the relevant info to MAINTAINERS so we can take all the blame :) Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce cached decompressionGao Xiang5-1/+427
This patch adds an optional choice which can be enabled by users in order to cache both incomplete ends of compressed clusters as a complement to the in-place decompression in order to boost random read, but it costs more memory than the in-place decompression only. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce VLE decompression supportGao Xiang6-2/+1418
This patch introduces the basic in-place VLE decompression implementation for the erofs file system. Compared with fixed-sized input compression, it implements what we call 'the variable-length extent compression' which specifies the same output size for each compression block to make the full use of IO bandwidth (which means almost all data from block device can be directly used for decomp- ression), improve the real (rather than just via data caching, which costs more memory) random read and keep the relatively lower compression ratios (it saves more storage space than fixed-sized input compression which is also configured with the same input block size), as illustrated below: |--- variable-length extent ---|------ VLE ------|--- VLE ---| /> clusterofs /> clusterofs /> clusterofs /> clusterofs ++---|-------++-----------++---------|-++-----------++-|---------++-| ...|| | || || | || || | || | ... original data ++---|-------++-----------++---------|-++-----------++-|---------++-| ++->cluster<-++->cluster<-++->cluster<-++->cluster<-++->cluster<-++ size size size size size \ / / / \ / / / \ / / / ++-----------++-----------++-----------++ ... || || || || ... compressed clusters ++-----------++-----------++-----------++ ++->cluster<-++->cluster<-++->cluster<-++ size size size The main point of 'in-place' refers to the decompression mode: Instead of allocating independent compressed pages and data structures, it reuses the allocated file cache pages at most to store its compressed data and the corresponding pagevec in a time-sharing approach by default, which will be useful for low memory scenario. In the end, unlike the other filesystems with (de)compression support using a relatively large compression block size, which reads and decompresses >= 128KB at once, and gains a more good-looking random read (In fact it collects small random reads into large sequential reads and caches all decompressed data in memory, but it is unacceptable especially for embedded devices with limited memory, and it is not the real random read), we select a universal small-sized 4KB compressed cluster, which is the smallest page size for most architectures, and all compressed clusters can be read and decompressed independently, which ensures random read number for all use cases. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce workstation for decompressionGao Xiang3-3/+180
This patch introduces another concept used by the unzip subsystem called 'workstation'. It can be seen as a sparse array that stores pointers pointed to data structures related to the corresponding physical blocks. All lookup cases are protected by RCU read lock. Besides, reference count and spin_lock are also introduced to manage its lifetime and serialize all update operations. 'workstation' is currently implemented on the in-kernel radix tree approach for backward compatibility. With the evolution of linux kernel, it could be migrated into XArray implementation in the future. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce erofs shrinkerGao Xiang3-6/+101
This patch adds a dedicated shrinker targeting to free unneeded memory consumed by a number of erofs in-memory data structures. Like F2FS and UBIFS, it also adds: - sbi->umount_mutex to avoid races on shrinker and put_super - sbi->shrinker_run_no to not revisit recently scaned objects Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce superblock registrationGao Xiang3-0/+27
In order to introducing shrinker solution for erofs, let's manage all mounted erofs instances at first. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: add a generic z_erofs VLE decompressorGao Xiang5-1/+264
Currently, this patch only simply implements LZ4 decompressor due to its development priority. In the future, erofs will support more compression algorithm and format other than LZ4, thus a generic decompressor interface will be needed. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce a customized LZ4 decompressionGao Xiang3-1/+479
We have to reduce the memory cost as much as possible, so we don't want to decompress more data beyond the output buffer size, however "LZ4_decompress_safe_partial" doesn't guarantee to stop at the arbitary end position, but stop just after its current LZ4 "sequence" is completed. Link: https://groups.google.com/forum/#!topic/lz4c/_3kkz5N6n00 Therefore, I hacked the LZ4 decompression logic by hand, probably NOT the fastest approach, and hope for better implementation. Signed-off-by: Miao Xie <miaoxie@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: globalize prepare_bio and __submit_bioGao Xiang2-25/+42
The unzip subsystem also uses these functions, let's export them to internal.h. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: add erofs_allocpageGao Xiang3-1/+39
This patch introduces an temporary _on-stack_ page pool to reuse the freed page directly as much as it can for better performance and release all pages at a time, it also slightly reduces the possibility of the potential memory allocation failure. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: add erofs_map_blocks_iterGao Xiang5-2/+300
This patch introduces an iterable L2P mapping operation 'erofs_map_blocks_iter'. Compared with 'erofs_map_blocks', it avoids a number of redundant 'release and regrab' processes if they request the same meta page. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce pagevec for unzip subsystemGao Xiang1-0/+172
For each compressed cluster, there is a straight-forward way of allocating a fixed or variable-sized (for VLE) array to record the corresponding file pages for its decompression if we decide to decompress these pages asynchronously (eg. read-ahead case), however it could take much extra on-heap memory compared with traditional uncompressed filesystems. This patch introduces a pagevec solution to reuse some allocated file page in the time-sharing approach storing parts of the array itself in order to minimize the extra memory overhead, thus only a constant and small-sized array used for booting the whole array itself up will be needed. Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: <linux/tagptr.h>: introduce tagged pointerGao Xiang1-0/+110
Currently kernel has scattered tagged pointer usages hacked by hand in plain code, without a unique and portable functionset to highlight the tagged pointer itself and wrap these hacked code in order to clean up all over meaningless magic masks. Therefore, this patch introduces simple generic methods to fold tags into a pointer integer. It currently supports the last n bits of the pointer for tags, which can be selected by users. In addition, it will also be used for the upcoming EROFS filesystem, which heavily uses tagged pointer approach for high performance and reducing extra memory allocation. Link: https://en.wikipedia.org/wiki/Tagged_pointer Signed-off-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: support tracepointChao Yu5-3/+261
Add basic tracepoints for ->readpage{,s}, ->lookup, ->destroy_inode, fill_inode and map_blocks. Reviewed-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: introduce error injection infrastructureChao Yu4-1/+103
This patch introduces error injection infrastructure, with it, we can inject error in any kernel exported common functions which erofs used, so that it can force erofs running into error paths, it turns out that tests can cover real rare paths more easily to find bugs. Reviewed-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-07-27staging: erofs: support special inodeChao Yu2-2/+35
This patch adds to support special inode, such as block dev, char, socket, pipe inode. Reviewed-by: Gao Xiang <gaoxiang25@huawei.com> Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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