- 26 7月, 2011 5 次提交
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由 Daniel Kiper 提交于
Memory hotplug support for Xen balloon driver. It should be mentioned that hotplugged memory is not onlined automatically. It should be onlined by user through standard sysfs interface. Memory could be hotplugged in following steps: 1) dom0: xl mem-max <domU> <maxmem> where <maxmem> is >= requested memory size, 2) dom0: xl mem-set <domU> <memory> where <memory> is requested memory size; alternatively memory could be added by writing proper value to /sys/devices/system/xen_memory/xen_memory0/target or /sys/devices/system/xen_memory/xen_memory0/target_kb on dumU, 3) domU: for i in /sys/devices/system/memory/memory*/state; do \ [ "`cat "$i"`" = offline ] && echo online > "$i"; done Memory could be onlined automatically on domU by adding following line to udev rules: SUBSYSTEM=="memory", ACTION=="add", RUN+="/bin/sh -c '[ -f /sys$devpath/state ] && echo online > /sys$devpath/state'" In that case step 3 should be omitted. Signed-off-by: NDaniel Kiper <dkiper@net-space.pl> Acked-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Daniel Kiper 提交于
This patch contains online_page_callback and apropriate functions for registering/unregistering online page callbacks. It allows to do some machine specific tasks during online page stage which is required to implement memory hotplug in virtual machines. Currently this patch is required by latest memory hotplug support for Xen balloon driver patch which will be posted soon. Additionally, originial online_page() function was splited into following functions doing "atomic" operations: - __online_page_set_limits() - set new limits for memory management code, - __online_page_increment_counters() - increment totalram_pages and totalhigh_pages, - __online_page_free() - free page to allocator. It was done to: - not duplicate existing code, - ease hotplug code devolpment by usage of well defined interface, - avoid stupid bugs which are unavoidable when the same code (by design) is developed in many places. [akpm@linux-foundation.org: use explicit indirect-call syntax] Signed-off-by: NDaniel Kiper <dkiper@net-space.pl> Reviewed-by: NKonrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ian Campbell 提交于
In a subsquent patch I have a const struct page in my hand... [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: NIan Campbell <ian.campbell@citrix.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Rik van Riel <riel@redhat.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Michel Lespinasse <walken@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Ian Campbell 提交于
These uses are read-only and in a subsequent patch I have a const struct page in my hand... [akpm@linux-foundation.org: fix warnings in lowmem_page_address()] Signed-off-by: NIan Campbell <ian.campbell@citrix.com> Cc: Rik van Riel <riel@redhat.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: Michel Lespinasse <walken@google.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Becky Bruce 提交于
This is needed on HIGHMEM systems - we don't always have a virtual address so store the physical address and map it in as needed. [akpm@linux-foundation.org: cleanup] Signed-off-by: NBecky Bruce <beckyb@kernel.crashing.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 24 7月, 2011 6 次提交
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由 Kay Sievers 提交于
Userspace wants to manage module parameters with udev rules. This currently only works for loaded modules, but not for built-in ones. To allow access to the built-in modules we need to re-trigger all module load events that happened before any userspace was running. We already do the same thing for all devices, subsystems(buses) and drivers. This adds the currently missing /sys/module/<name>/uevent files to all module entries. Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split & trivial fix)
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由 Kay Sievers 提交于
This simplifies the next patch, where we have an attribute on a builtin module (ie. module == NULL). Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (split into 2)
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由 Jonas Bonn 提交于
The module loader code allows architectures to hook into the code by providing a small number of entry points that each arch must implement. This patch provides __weakly linked generic implementations of these entry points for architectures that don't need to do anything special. Signed-off-by: NJonas Bonn <jonas@southpole.se> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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由 Xiao Guangrong 提交于
If the page fault is caused by mmio, the gfn can not be found in memslots, and 'bad_pfn' is returned on gfn_to_hva path, so we can use 'bad_pfn' to identify the mmio page fault. And, to clarify the meaning of mmio pfn, we return fault page instead of bad page when the gfn is not allowd to prefetch Signed-off-by: NXiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by: NAvi Kivity <avi@redhat.com>
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由 Joe Perches 提交于
Use a single mechanism to show driver version. Reduces text a tiny bit too. Remove uses of static int printed_version Add and use ata_print_version(const struct device *, const char *ver) and ata_print_version_once. $ size drivers/ata/built-in.* text data bss dec hex filename 544969 73893 116584 735446 b38d6 drivers/ata/built-in.allyesconfig.ata.o 543870 73893 116592 734355 b34ad drivers/ata/built-in.allyesconfig.print_once.o 141328 14689 4220 160237 271ed drivers/ata/built-in.defconfig.ata.o 141212 14689 4220 160121 27179 drivers/ata/built-in.defconfig.print_once.o Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
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由 Joe Perches 提交于
Saves text by removing nearly duplicated text format strings by creating ata_<foo>_printk functions and printf extension %pV. ata defconfig size shrinks ~5% (~8KB), allyesconfig ~2.5% (~13KB) Format string duplication comes from: #define ata_link_printk(link, lv, fmt, args...) do { \ if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link) \ printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \ (link)->pmp , ##args); \ else \ printk("%sata%u: "fmt, lv, (link)->ap->print_id , ##args); \ } while(0) Coalesce long formats. $ size drivers/ata/built-in.* text data bss dec hex filename 544969 73893 116584 735446 b38d6 drivers/ata/built-in.allyesconfig.ata.o 558429 73893 117864 750186 b726a drivers/ata/built-in.allyesconfig.dev_level.o 141328 14689 4220 160237 271ed drivers/ata/built-in.defconfig.ata.o 149567 14689 4220 168476 2921c drivers/ata/built-in.defconfig.dev_level.o Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NJeff Garzik <jgarzik@pobox.com>
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- 23 7月, 2011 12 次提交
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由 Aneesh Kumar K.V 提交于
unlinkat - Remove a directory entry size[4] Tunlinkat tag[2] dirfid[4] name[s] flag[4] size[4] Runlinkat tag[2] older Tremove have the below request format size[4] Tremove tag[2] fid[4] The remove message is used to remove a directory entry either file or directory The remove opreation is actually a directory opertation and should ideally have dirfid, if not we cannot represent the fid on server with anything other than name. We will have to derive the directory name from fid in the Tremove request. NOTE: The operation doesn't clunk the unlink fid. Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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由 Aneesh Kumar K.V 提交于
renameat - change name of file or directory size[4] Trenameat tag[2] olddirfid[4] oldname[s] newdirfid[4] newname[s] size[4] Rrenameat tag[2] older Trename have the below request format size[4] Trename tag[2] fid[4] newdirfid[4] name[s] The rename message is used to change the name of a file, possibly moving it to a new directory. The rename opreation is actually a directory opertation and should ideally have olddirfid, if not we cannot represent the fid on server with anything other than name. We will have to derive the old directory name from fid in the Trename request. Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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由 Prem Karat 提交于
Signed-off-by: NPrem Karat <prem.karat@linux.vnet.ibm.com> Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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由 Aneesh Kumar K.V 提交于
Signed-off-by: NAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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由 Eric Van Hensbergen 提交于
Switch to generic kernel hexdump library and cleanup macros to be more consistent with the way we do normal debug prints. Signed-off-by: NEric Van Hensbergen <ericvh@gmail.com>
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由 Mark Brown 提交于
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: NLiam Girdwood <lrg@ti.com> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Acked-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Mark Brown 提交于
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: NLiam Girdwood <lrg@ti.com> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Acked-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Mark Brown 提交于
There are many places in the tree where we implement register access for devices on non-memory mapped buses, especially I2C and SPI. Since hardware designers seem to have settled on a relatively consistent set of register interfaces this can be effectively factored out into shared code. There are a standard set of formats for marshalling data for exchange with the device, with the actual I/O mechanisms generally being simple byte streams. We create an abstraction for marshaling data into formats which can be sent on the control interfaces, and create a standard method for plugging in actual transport underneath that. This is mostly a refactoring and renaming of the bottom level of the existing code for sharing register I/O which we have in ASoC. A subsequent patch in this series converts ASoC to use this. The main difference in interface is that reads return values by writing to a location provided by a pointer rather than in the return value, ensuring we can use the full range of the type for register data. We also use unsigned types rather than ints for the same reason. As some of the devices can have very large register maps the existing ASoC code also contains infrastructure for managing register caches. This cache work will be moved over in a future stage to allow for separate review, the current patch only deals with the physical I/O. Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: NLiam Girdwood <lrg@ti.com> Acked-by: NGreg Kroah-Hartman <gregkh@suse.de> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Acked-by: NGrant Likely <grant.likely@secretlab.ca>
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由 Randy Dunlap 提交于
Fix build error when CONFIG_BLOCK is not enabled by providing a stub inode_dio_wait() function. mm/truncate.c:612: error: implicit declaration of function 'inode_dio_wait' Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net> Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
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由 Jonas Bonn 提交于
Use the CONFIG_HAS_IOPORT and CONFIG_PCI options to decide whether or not functions for mapping these areas are provided. Signed-off-by: NJonas Bonn <jonas@southpole.se> Acked-by: NArnd Bergmann <arnd@arndb.de>
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由 Jonas Bonn 提交于
Some of the implementations, in particular the ioremap variants, in asm-generic/io.h are for systems without an MMU. In order to be able to use the generic header file for systems with an MMU, this patch wraps these implementations in checks for CONFIG_MMU. Tested on OpenRISC. Signed-off-by: NJonas Bonn <jonas@southpole.se> Cc: liqin.chen@sunplusct.com Cc: gxt@mprc.pku.edu.cn Acked-by: NMike Frysinger <vapier@gentoo.org> Acked-by: NArnd Bergmann <arnd@arndb.de>
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由 Andrew Morton 提交于
With a non-constant 8-bit argument, a call to udelay() generates a warning: drivers/gpu/drm/radeon/atom.c: In function 'atom_op_delay': drivers/gpu/drm/radeon/atom.c:654: warning: comparison is always false due to limited range of data type The code looks like it works OK with an 8-bit arg, and the calling code is doing nothing wrong, so udelay() needs fixing. Fixing it was rather tricky. Simply typecasting `n' in the comparison with 20000 didn't change anything. Hence the divide-by-20000 trick. Using a do{}while loop didn't work because udelay() is used in ?: statements, hence the ({...}) construct. While I was there I replaced the brain-bending ?:?:?: mess with nice if/else code. Probably other architectures are generating the same warning and can use a similar change. [Taken from the x86 tree and moved to asm-generic by Jonas Bonn] Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: <linux-arch@vger.kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NJonas Bonn <jonas@southpole.se>
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- 22 7月, 2011 17 次提交
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由 Rafał Miłecki 提交于
When using DMA, drivers need to pass special translation info to the hardware. Signed-off-by: NRafał Miłecki <zajec5@gmail.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Nicholas Bellinger 提交于
This patch bumps the target core version to v4.1.0-rc1 now that we are in sync with upstream lio-core-2.6.git/master Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Shevchenko 提交于
This patch drops transport_asciihex_to_binaryhex() in favor of proper hex2bin usage from include/linux/kernel.h:hex2bin() Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Nicholas Bellinger 提交于
This patch adds the default 'Unrestricted reordering allowed' for SCSI control mode page QUEUE ALGORITHM MODIFIER on a per se_device basis in target_modesense_control() following spc4r23. This includes a new emuluate_rest_reord configfs attribute that currently (only) accepts zero to signal 'Unrestricted reordering allowed' in control mode page usage by the backend target device. Reported-by: NRoland Dreier <roland@purestorage.com> Signed-off-by: NNicholas Bellinger <nab@risingtidesystems.com>
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由 Nicholas Bellinger 提交于
This patch breaks up the ->map_task_SG() backend call into two seperate ->map_control_SG() and ->map_data_SG() in order to better address IBLOCK and pSCSI. IBLOCK only allocates bios for ->map_data_SG(), and pSCSI will allocate a struct request for both cases. This patch fixes incorrect usage of ->map_task_SG() for all se_cmd descriptors in transport_generic_new_cmd() by moving the call into it's proper location directly inside of transport_allocate_data_tasks() Reported-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
This patch contains the squashed version of forth round series cleanups from Andy and Christoph following the post heavy lifting in the preceeding: 'Eliminate usage of struct se_mem' and 'Make all control CDBs scatter-gather' changes. This also includes a conversion of target core and the v3.0 mainline fabric modules (loopback and tcm_fc) to use pr_debug and the CONFIG_DYNAMIC_DEBUG infrastructure! These have been squashed into this third and final round for v3.1. target: Remove ifdeffed code in t_g_process_write target: Remove direct ramdisk code target: Rename task_sg_num to task_sg_nents target: Remove custom debug macros for pr_debug. Use pr_err(). target: Remove custom debug macros in mainline fabrics target: Set WSNZ=1 in block limits VPD. Abort if WRITE_SAME sectors = 0 target: Remove transport do_se_mem_map callback target: Further simplify transport_free_pages target: Redo task allocation return value handling target: Remove extra parentheses target: change alloc_task call to take *cdb, not *cmd (nab: Fix bogus struct file assignments in fd_do_readv and fd_do_writev) Signed-off-by: NAndy Grover <agrover@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
Both backstores and fabrics use arrays of struct scatterlist to describe data buffers. However TCM used struct se_mems, basically a linked list of scatterlist entries. We are able to simplify the code by eliminating this intermediate data structure and just using struct scatterlist[] throughout. Also, moved attachment of task to cmd out of transport_generic_get_task and into allocate_control_task and allocate_data_tasks. The reasoning is that it's nonintuitive that get_task should automatically add it to the cmd's task list -- it should just return an allocated, initialized task. That's all it should do, based on the function's name, so either the function shouldn't do it, or the name should change to encapsulate the entire essence of what it does. (nab: Fix compile warnings in tcm_fc, and make transport_kmap_first_data_page honor sg->offset for SGLs from contigious memory with TCM_Loop, and fix control se_cmd descriptor memory leak) Signed-off-by: NAndy Grover <agrover@redhat.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
Since sectors is not modified, it's more straightforward to do this. Signed-off-by: NAndy Grover <agrover@redhat.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
Due to all cdbs' data buffers being referenced by scatterlists, buffers of more than a page are not contiguous. Instead of handling this in all control command handlers, we may be able to get away with just limiting control cdb data buffers to one page. The only control CDBs we handle that have potentially large data buffers are REPORT LUNS and UNMAP, so if we didn't want to live with this limitation, they would need to be modified to walk the pages in the data buffer's sgl. Signed-off-by: NAndy Grover <agrover@redhat.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
Previously, some control CDBs did not allocate memory in pages for their data buffer, but just did a kmalloc. This patch makes all cdbs allocate pages. This has the benefit of streamlining some paths that had to behave differently when we used two allocation methods. The downside is that all accesses to the data buffer need to kmap it before use, and need to handle data in page-sized chunks if more than a page is needed for a given command's data buffer. Finally, note that cdbs with no data buffers are handled a little differently. Before, SCSI_NON_DATA_CDBs would not call get_mem at all (they'd be in the final else in transport_allocate_resources) but now these will make it into generic_get_mem, but just not allocate any buffers. Signed-off-by: NAndy Grover <agrover@redhat.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Roland Dreier 提交于
Implement page B1h, Block Device Characteristics, so that we can report a medium rotation rate of 1 (non-rotating / solid state) if the is_nonrot device attribute is set; we update the iblock backend to set this attribute if the underlying Linux block device has its nonrot flag set. Signed-off-by: NRoland Dreier <roland@purestorage.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Nicholas Bellinger 提交于
This patch adds SCF_EMULATE_QUEUE_FULL support using -EAGAIN failures via transport_handle_queue_full() to signal queue full in completion path TFO->queue_data_in() and TFO->queue_status() callbacks. This is done using a new se_cmd->transport_qf_callback() to handle the following queue full exception cases within target core: *) TRANSPORT_COMPLETE_OK (for completion path queue full) *) TRANSPORT_COMPLETE_QF_WP (for TRANSPORT_WRITE_PENDING queue full) *) transport_send_check_condition_and_sense() failure paths in transport_generic_request_failure() and transport_generic_complete_ok() All logic is driven using se_device->qf_work_queue -> target_qf_do_work() to to requeue outstanding se_cmd at the head of se_dev->queue_obj->qobj_list for transport_processing_thread() execution. Tested using tcm_qla2xxx with MAX_OUTSTANDING_COMMANDS=128 for FCP READ to trigger the TRANSPORT_COMPLETE_OK queue full cases, and a simulated TFO->write_pending() -EAGAIN failure to trigger TRANSPORT_COMPLETE_QF_WP. Reported-by: NRoland Dreier <roland@purestorage.com> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Nicholas Bellinger 提交于
This patch adds a transport_handle_cdb_direct() optimization for mapping and queueing tasks directly from within fabric processing context by calling the newly exported transport_generic_new_cmd(). This currently expects to be called from process context only, and will fail if called within interrupt context. This patch also leaves transport_generic_handle_cdb() unmodified for the moment to function as expected with existing tcm_fc and ib_srpt fabrics, and will be removed once these have been converted and tested with v4.1 code using transport_handle_cdb_direct(). Based on Andy's original patch here: [PATCH 39/42] target: Call transport_new_cmd instead of adding to cmd queue Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Christoph Hellwig 提交于
The release_cmd_to_pool and release_cmd_direct methods are always the same. Merge them into a single release_cmd method, and clean up the fallout. (nab: fix breakage in transport_generic_free_cmd() parameter build breakage in drivers/target/tcm_fc/tfc_cmd.c) Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Christoph Hellwig 提交于
This patch contains a squashed version to remove unused SCF_* flags: target: remove the unused SCF_SE_DISABLE_ONLINE_CHECK flag target: remove the unused SCF_CMD_PASSTHROUGH_NOALLOC flag target: remove the unused SCF_EMULATE_SYNC_UNMAP flag target: remove the unused SCF_EMULATE_SYNC_CACHE flag Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Christoph Hellwig 提交于
Signed-off-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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由 Andy Grover 提交于
This patch contains a squashed version of third round series cleanups, improvements ,and simplfications from Andy and Christoph ahead of the heavy lifting between round 3 -> 4 for the target core SGL conversion. This include cleanups to the main target I/O path and other miscellaneous updates. target: Replace custom sg<->buf functions with lib funcs target: Simplify sector limiting code target: get_cdb should never return NULL target: Simplify transport_memcpy_se_mem_read_contig target: Use assignment rather than increment for t_task_cdbs target: Don't pass dma_size to generic_get_mem target: Pass sg with type scatterlist in transport_map_sg_to_mem target: Move task_sg_num next to task_sg in struct se_task target: inline struct se_transport_task into struct se_cmd target: Change name & semantics of transport_get_sectors() target: Remove unused members of se_cmd target: Rename se_cmd.t_task_cdbs to t_task_list_num target: Fix some spelling target: Remove unused var from transport_generic_do_tmr target: map_sg_to_mem: return sg_count in return value target/pscsi: Use min_t for sector limits target/pscsi: Unused param for pscsi_get_bio() target: Rename get_cdb_count to allocate_tasks target: Make transport_generic_new_cmd() available for iscsi-target target: Remove fabric callback to allocate iovecs target: Fix transport_generic_new_cmd WRITE comment (hch: Use __GFP_ZERO usage for alloc_pages() usage) Signed-off-by: NAndy Grover <agrover@redhat.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NNicholas Bellinger <nab@linux-iscsi.org>
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