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...ndling to a separate function do not re-enable interrupts unconditionally when handling response set info->feature-trim only when we have all info needed for request queue Changelog V2: rebased on Jeremy''s tree fixes according to Jan Beulich''s comments Li Dongyang (3): xen-blkfront: add BLKIF_OP_DISCARD and discard request struct xen-blkfront: teach blkfront driver to handle discard requests xen-blkback: discard requests handling in blkback driver drivers/block/xen-blkback/blkback.c | 87 +++++++++++++++++++++++----- drivers/block/xen-blkback/commo...

On Thu, May 28, 2020 at 03:57:05PM +0800, Dongyang Zhan wrote: > Hi, > My name is Dongyang Zhan, I am a security researcher. > Currently, I found two possible memory bugs in > drivers/gpu/drm/virtio/virtgpu_vq.c (Linux 5.6). > I hope you can help me to confirm them. Thank you. Sorry. Not confirmed. You should do a better job verif...

* Sage Weil (sage@newdream.net) [091216 17:55]: > On Wed, 16 Dec 2009, Li Dongyang wrote: > > > Have a look at line 998, ioctl.c, inside btrfs_ioctl_clone(), > > the src->i_size(the size of the testfile created by touch) is just 0, and this > > will cause btrfs_ioctl_clone just return -EINVAL. > > I''m not sure if it makes sense to clone a...

when we fall back to buffered write from direct write, we call __generic_file_aio_write but that will end up doing direct write even we are only prepared to do buffered write because the file has O_DIRECT flag set. This is a fix for https://bugzilla.novell.com/show_bug.cgi?id=591039 revised with Joel's comments. --- fs/ocfs2/file.c | 23 ++++++++++++----------- 1 files changed, 12

Hi Dongyang, Yan, When testing BTRFS with RAID 0 metadata on linux-3.3, we see discard ranges exceeding the end of the block device [1], potentially causing dataloss; when this occurs, filesystem writeback becomes catatonic due to continual resubmission. The reproducer is quite simple [2]. Hope this proves u...

I am testing a Btrfs root file system with Debian (kernel 2.6.32) under KVM. jason@vrtl:~$ touch testfile jason@vrtl:~$ cp --reflink testfile /tmp cp: failed to clone `/tmp/testfile'': Invalid argument This is with GNU Coreutils 8.0 taken from debian Sid. Is this a Coreutils issue, a Btrfs problem or something in my local configuration? All the other issues that I have encountered so

...Leo Song <liangs@marvell.com> Leo Yan <leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> Li Zefan <lizefan@huawei.com> Li...

...Leo Song <liangs@marvell.com> Leo Yan <leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...Leo Song <liangs@marvell.com> Leo Yan <leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...Leo Song <liangs@marvell.com> Leo Yan <leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...Leo Song <liangs@marvell.com> Leo Yan <leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...leoy@marvell.com> Leon Romanovsky <leon@leon.nu> Leonid Isaev <lisaev@umail.iu.edu> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Leonid Yegoshin <yegoshin@mips.com> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...edu> Leonid Kegulskiy <leo@lumanate.com> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Leonid Yegoshin <yegoshin@mips.com> leroy christophe <christophe.leroy@c-s.fr> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...

...edu> Leonid Kegulskiy <leo@lumanate.com> Leonid Shatz <leonid.shatz@ravellosystems.com> Leonid Yegoshin <Leonid.Yegoshin@imgtec.com> Leonid Yegoshin <yegoshin@mips.com> leroy christophe <christophe.leroy@c-s.fr> Ley Foon Tan <lftan@altera.com> Li Dongyang <Jerry87905@gmail.com> Li Fei <fei.li@intel.com> Li RongQing <roy.qing.li@gmail.com> Li Wang <wangli@kylinos.com.cn> Li Wei <lw@cn.fujitsu.com> Li Xun <xunleer.li@huawei.com> Li Yang <leoli@freescale.com> Li Yu <raise.sail@gmail.com> L...