- 08 Jul, 2020 24 commits
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Chao Yu authored
like we did for encrypted page. Signed-off-by:
Chao Yu <yuchao0@huawei.com> Signed-off-by:
Jaegeuk Kim <jaegeuk@kernel.org>
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Dehe Gu authored
Fuzzing main_blkaddr sysfs node will corrupt this field's value, causing kernel panic, remove its write attribute to avoid potential security risk. [Chao Yu: add description] Signed-off-by:
Dehe Gu <gudehe@huawei.com> Signed-off-by:
Daiyue Zhang <zhangdaiyue1@huawei.com> Reviewed-by:
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Daeho Jeong authored
Added a new gc_urgent mode, GC_URGENT_LOW, in which mode F2FS will lower the bar of checking idle in order to process outstanding discard commands and GC a little bit aggressively. Signed-off-by:
Daeho Jeong <daehojeong@google.com> Reviewed-by:
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Jaegeuk Kim authored
If two readahead threads having same offset enter in readpages, every read IOs are split and issued to the disk which giving lower bandwidth. This patch tries to avoid redundant readahead calls. Fixes one build error reported by Randy. Fix build error when F2FS_FS_COMPRESSION is not set/enabled. This label is needed in either case. ../fs/f2fs/data.c: In function ‘f2fs_mpage_readpages’: ../fs/f2fs/data.c:2327:5: error: label ‘next_page’ used but not defined goto next_page; Reviewed-by: -
Chao Yu authored
If f2fs_grab_cache_page() fails, it needs to return -ENOMEM. Signed-off-by:
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Jia Yang authored
The parameter op_flag is not used in f2fs_get_read_data_page(), but it is used in f2fs_grab_read_bio(). Obviously, op_flag is not passed to f2fs_grab_read_bio() successfully. We need to add parameter in f2fs_submit_page_read() to pass it. The case: - gc_data_segment - f2fs_get_read_data_page(.., op_flag = REQ_RAHEAD,..) - f2fs_submit_page_read - f2fs_grab_read_bio(.., op_flag = 0, ..) Signed-off-by:
Jia Yang <jiayang5@huawei.com> Reviewed-by:
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Chao Yu authored
to two independent functions: - f2fs_allocate_new_segment() for specified type segment allocation - f2fs_allocate_new_segments() for all data type segments allocation Signed-off-by:
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Yubo Feng authored
if get_node_path() return -E2BIG and trace of f2fs_truncate_inode_blocks_enter/exit enabled then the matching-pair of trace_exit will lost in log. Signed-off-by:
Yubo Feng <fengyubo3@huawei.com> Reviewed-by:
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Yu Changchun authored
This patch is to fix a crash: #3 [ffffb6580689f898] oops_end at ffffffffa2835bc2 #4 [ffffb6580689f8b8] no_context at ffffffffa28766e7 #5 [ffffb6580689f920] async_page_fault at ffffffffa320135e [exception RIP: f2fs_is_compressed_page+34] RIP: ffffffffa2ba83a2 RSP: ffffb6580689f9d8 RFLAGS: 00010213 RAX: 0000000000000001 RBX: fffffc0f50b34bc0 RCX: 0000000000002122 RDX: 0000000000002123 RSI: 0000000000000c00 RDI: fffffc0f50b34bc0 RBP: ffff97e815a40178 R8: 0000000000000000 R9: ffff97e83ffc9000 R10: 0000000000032300 R11: 0000000000032380 R12: ffffb6580689fa38 R13: fffffc0f50b34bc0 R14: ffff97e825cbd000 R15: 0000000000000c00 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #6 [ffffb6580689f9d8] __is_cp_guaranteed at ffffffffa2b7ea98 #7 [ffffb6580689f9f0] f2fs_submit_page_write at ffffffffa2b81a69 #8 [ffffb6580689fa30] f2fs_do_write_meta_page at ffffffffa2b99777 #9 [ffffb6580689fae0] __f2fs_write_meta_page at ffffffffa2b75f1a #10 [ffffb6580689fb18] f2fs_sync_meta_pages at ffffffffa2b77466 #11 [ffffb6580689fc98] do_checkpoint at ffffffffa2b78e46 #12 [ffffb6580689fd88] f2fs_write_checkpoint at ffffffffa2b79c29 #13 [ffffb6580689fdd0] f2fs_sync_fs at ffffffffa2b69d95 #14 [ffffb6580689fe20] sync_filesystem at ffffffffa2ad2574 #15 [ffffb6580689fe30] generic_shutdown_super at ffffffffa2a9b582 #16 [ffffb6580689fe48] kill_block_super at ffffffffa2a9b6d1 #17 [ffffb6580689fe60] kill_f2fs_super at ffffffffa2b6abe1 #18 [ffffb6580689fea0] deactivate_locked_super at ffffffffa2a9afb6 #19 [ffffb6580689feb8] cleanup_mnt at ffffffffa2abcad4 #20 [ffffb6580689fee0] task_work_run at ffffffffa28bca28 #21 [ffffb6580689ff00] exit_to_usermode_loop at ffffffffa28050b7 #22 [ffffb6580689ff38] do_syscall_64 at ffffffffa280560e #23 [ffffb6580689ff50] entry_SYSCALL_64_after_hwframe at ffffffffa320008c This occurred when umount f2fs if enable F2FS_FS_COMPRESSION with F2FS_IO_TRACE. Fixes it by adding IS_IO_TRACED_PAGE to check validity of pid for page_private. Signed-off-by:Yu Changchun <yuchangchun1@huawei.com> Reviewed-by:
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Lihong Kou authored
In the f2fs_unlink we do not add trace end for some error paths, just add. Signed-off-by:
Lihong Kou <koulihong@huawei.com> Reviewed-by:
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Chao Yu authored
In f2fs_write_raw_pages(), we need to check page dirty status before writeback, because there could be a racer (e.g. reclaimer) helps writebacking the dirty page. Signed-off-by:
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Wang Xiaojun authored
The parameter compr is unused in the f2fs_cluster_blocks function so we no longer need to pass it as a parameter. Signed-off-by:
Wang Xiaojun <wangxiaojun11@huawei.com> Reviewed-by:
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Chao Yu authored
to show f2fs_fiemap()'s result as below: f2fs_fiemap: dev = (251,0), ino = 7, lblock:0, pblock:1625292800, len:2097152, flags:0, ret:0 Signed-off-by:
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Chao Yu authored
to show f2fs_bmap()'s result as below: f2fs_bmap: dev = (251,0), ino = 7, lblock:0, pblock:396800 Signed-off-by:
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Chao Yu authored
If compression is disable, we should return zero rather than -EOPNOTSUPP to indicate f2fs_bmap() is not supported. Signed-off-by:
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Liu Song authored
In current version, @state will only be FREE_NID. This parameter has no real effect so remove it to keep clean. Signed-off-by:
Liu Song <liu.song11@zte.com.cn> Reviewed-by:
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Liu Song authored
stakable/stackable Signed-off-by:
Liu Song <fishland@aliyun.com> Reviewed-by:
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Chao Yu authored
Filesystem including f2fs should support stable page for special device like software raid, however there is one missing path that page could be updated while it is writeback state as below, fix this. - gc_node_segment - f2fs_move_node_page - __write_node_page - set_page_writeback - do_read_inode - f2fs_init_extent_tree - __f2fs_init_extent_tree i_ext->len = 0; Signed-off-by: -
Chao Yu authored
- Add to account and show per-log dirty_seg, full_seg and valid_blocks in debugfs. - reformat printed info. TYPE segno secno zoneno dirty_seg full_seg valid_blk - COLD data: 1523 1523 1523 1 0 399 - WARM data: 769 769 769 20 255 133098 - HOT data: 767 767 767 9 0 167 - Dir dnode: 22 22 22 3 0 70 - File dnode: 722 722 722 14 10 6505 - Indir nodes: 2 2 2 1 0 3 Signed-off-by: -
Qilong Zhang authored
When f2fs_ioc_gc_range performs multiple segments gc ops, the return value of f2fs_ioc_gc_range is determined by the last segment gc ops. If its ops failed, the f2fs_ioc_gc_range will be considered to be failed despite some of previous segments gc ops succeeded. Therefore, so we fix: Redefine the return value of getting victim ops and add exception handle for f2fs_gc. In particular, 1).if target has no valid block, it will go on. 2).if target sectoion has valid block(s), but it is current section, we will reminder the caller. Signed-off-by:
Qilong Zhang <zhangqilong3@huawei.com> Reviewed-by:
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Chao Yu authored
Use validation of @fio to inidcate whether caller want to serialize IOs in io.io_list or not, then @add_list will be redundant, remove it. Signed-off-by:
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Chao Yu authored
- to avoid race between checkpoint and quota file writeback, it just needs to hold read lock of node_write in writeback path. - node_write lock has covered all LFS data write paths, it's not necessary, we only need to hold node_write lock at write path of quota file. This refactors commit ca7f76e6 ("f2fs: fix wrong discard space"). Signed-off-by:
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Chao Yu authored
There is one reserved special compression extension: '*', which could be set via 'compress_extension="*"' mount option to enable compression for all files. Signed-off-by:
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Chao Yu authored
to avoid polluting global symbol namespace. Signed-off-by:
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- 18 Jun, 2020 6 commits
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Wang Xiaojun authored
Use kfree() instead of kvfree() to free variables allocated by match_strdup(). Because the memory is allocated with kmalloc inside match_strdup(). Signed-off-by:
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Jack Qiu authored
Assume each section has 4 segment: .___________________________. |_Segment0_|_..._|_Segment3_| . . . . .__________. |_section0_| Segment 0~2 has 0 valid block, segment 3 has 512 valid blocks. It will fail if we want to gc section0 in this scenes, because all 4 segments in section0 is not dirty. So we should use dirty section bitmap instead of dirty segment bitmap to get right victim section. Signed-off-by:Jack Qiu <jack.qiu@huawei.com> Reviewed-by:
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Wuyun Zhao authored
Under some condition, the __write_node_page will submit a page which is not f2fs_in_warm_node_list and will not call f2fs_add_fsync_node_entry. f2fs_gc continue to run to invoke f2fs_iget -> do_read_inode to read the same node page and set code node, which make f2fs_in_warm_node_list become true, that will cause f2fs_bug_on in f2fs_del_fsync_node_entry when f2fs_write_end_io called. - f2fs_write_end_io - f2fs_iget - do_read_inode - set_cold_node recover cold node flag - f2fs_in_warm_node_list - is_cold_node if node is cold, assume we have added node to fsync_node_list during writepages() - f2fs_del_fsync_node_entry - f2fs_bug_on() due to node page is not in fsync_node_list [ 34.966133] Call trace: [ 34.969902] f2fs_del_fsync_node_entry+0x100/0x108 [ 34.976071] f2fs_write_end_io+0x1e0/0x288 [ 34.981539] bio_endio+0x248/0x270 [ 34.986289] blk_update_request+0x2b0/0x4d8 [ 34.991841] scsi_end_request+0x40/0x440 [ 34.997126] scsi_io_completion+0xa4/0x748 [ 35.002593] scsi_finish_command+0xdc/0x110 [ 35.008143] scsi_softirq_done+0x118/0x150 [ 35.013610] blk_done_softirq+0x8c/0xe8 [ 35.018811] __do_softirq+0x2e8/0x578 [ 35.023828] irq_exit+0xfc/0x120 [ 35.028398] handle_IPI+0x1d8/0x330 [ 35.033233] gic_handle_irq+0x110/0x1d4 [ 35.038433] el1_irq+0xb4/0x130 [ 35.042917] kmem_cache_alloc+0x3f0/0x418 [ 35.048288] radix_tree_node_alloc+0x50/0xf8 [ 35.053933] __radix_tree_create+0xf8/0x188 [ 35.059484] __radix_tree_insert+0x3c/0x128 [ 35.065035] add_gc_inode+0x90/0x118 [ 35.069967] f2fs_gc+0x1b80/0x2d70 [ 35.074718] f2fs_disable_checkpoint+0x94/0x1d0 [ 35.080621] f2fs_fill_super+0x10c4/0x1b88 [ 35.086088] mount_bdev+0x194/0x1e0 [ 35.090923] f2fs_mount+0x40/0x50 [ 35.095589] mount_fs+0xb4/0x190 [ 35.100159] vfs_kern_mount+0x80/0x1d8 [ 35.105260] do_mount+0x478/0xf18 [ 35.109926] ksys_mount+0x90/0xd0 [ 35.114592] __arm64_sys_mount+0x24/0x38 Signed-off-by:
Wuyun Zhao <zhaowuyun@wingtech.com> Reviewed-by:
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Wei Fang authored
Since offset < new_size, no need to do truncate_pagecache() again with new_size. Signed-off-by:
Wei Fang <fangwei1@huawei.com> Reviewed-by:
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Denis Efremov authored
Use kfree() instead of kvfree() to free super in read_raw_super_block() because the memory is allocated with kzalloc() in the function. Use kfree() instead of kvfree() to free sbi, raw_super in f2fs_fill_super() and f2fs_put_super() because the memory is allocated with kzalloc(). Signed-off-by:
Denis Efremov <efremov@linux.com> Reviewed-by:
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Jaegeuk Kim authored
ERROR:INITIALISED_STATIC: do not initialise statics to NULL Reviewed-by:
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- 11 Jun, 2020 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull epoll update from Al Viro: "epoll conversion to read_iter from Jens; I thought there might be more epoll stuff this cycle, but uaccess took too much time" * 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: eventfd: convert to f_op->read_iter()
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- 10 Jun, 2020 9 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs fixes from Al Viro: "A couple of trivial patches that fell through the cracks last cycle" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fs: fix indentation in deactivate_super() vfs: Remove duplicated d_mountpoint check in __is_local_mountpoint
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull sysctl fixes from Al Viro: "Fixups to regressions in sysctl series" * 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: sysctl: reject gigantic reads/write to sysctl files cdrom: fix an incorrect __user annotation on cdrom_sysctl_info trace: fix an incorrect __user annotation on stack_trace_sysctl random: fix an incorrect __user annotation on proc_do_entropy net/sysctl: remove leftover __user annotations on neigh_proc_dointvec* net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull i915 uaccess updates from Al Viro: "Low-hanging fruit in i915; there are several trickier followups, but that'll wait for the next cycle" * 'uaccess.i915' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: i915:get_engines(): get rid of pointless access_ok() i915: alloc_oa_regs(): get rid of pointless access_ok() i915 compat ioctl(): just use drm_ioctl_kernel() i915: switch copy_perf_config_registers_or_number() to unsafe_put_user() i915: switch query_{topology,engine}_info() to copy_to_user()
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull misc uaccess updates from Al Viro: "Assorted uaccess patches for this cycle - the stuff that didn't fit into thematic series" * 'uaccess.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: bpf: make bpf_check_uarg_tail_zero() use check_zeroed_user() x86: kvm_hv_set_msr(): use __put_user() instead of 32bit __clear_user() user_regset_copyout_zero(): use clear_user() TEST_ACCESS_OK _never_ had been checked anywhere x86: switch cp_stat64() to unsafe_put_user() binfmt_flat: don't use __put_user() binfmt_elf_fdpic: don't use __... uaccess primitives binfmt_elf: don't bother with __{put,copy_to}_user() pselect6() and friends: take handling the combined 6th/7th args into helper
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespaceLinus Torvalds authored
Pull proc fix from Eric Biederman: "Syzbot found a NULL pointer dereference if kzalloc of s_fs_info fails" * 'proc-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: proc: s_fs_info may be NULL when proc_kill_sb is called
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git://git.kernel.org/pub/scm/linux/kernel/git/will/linuxLinus Torvalds authored
Pull READ/WRITE_ONCE rework from Will Deacon: "This the READ_ONCE rework I've been working on for a while, which bumps the minimum GCC version and improves code-gen on arm64 when stack protector is enabled" [ Side note: I'm _really_ tempted to raise the minimum gcc version to 4.9, so that we can just say that we require _Generic() support. That would allow us to more cleanly handle a lot of the cases where we depend on very complex macros with 'sizeof' or __builtin_choose_expr() with __builtin_types_compatible_p() etc. This branch has a workaround for sparse not handling _Generic(), either, but that was already fixed in the sparse development branch, so it's really just gcc-4.9 that we'd require. - Linus ] * 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux: compiler_types.h: Use unoptimized __unqual_scalar_typeof for sparse compiler_types.h: Optimize __unqual_scalar_typeof compilation time compiler.h: Enforce that READ_ONCE_NOCHECK() access size is sizeof(long) compiler-types.h: Include naked type in __pick_integer_type() match READ_ONCE: Fix comment describing 2x32-bit atomicity gcov: Remove old GCC 3.4 support arm64: barrier: Use '__unqual_scalar_typeof' for acquire/release macros locking/barriers: Use '__unqual_scalar_typeof' for load-acquire macros READ_ONCE: Drop pointer qualifiers when reading from scalar types READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses READ_ONCE: Simplify implementations of {READ,WRITE}_ONCE() arm64: csum: Disable KASAN for do_csum() fault_inject: Don't rely on "return value" from WRITE_ONCE() net: tls: Avoid assigning 'const' pointer to non-const pointer netfilter: Avoid assigning 'const' pointer to non-const pointer compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
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Andrew Morton authored
Fixes: e05c7b1f ("mm: pgtable: add shortcuts for accessing kernel PMD and PTE") Reported-by:
kernel test robot <lkp@intel.com> Reported-by:
Guenter Roeck <linux@roeck-us.net> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Mike Rapoport <rppt@kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.lwn.net/linuxLinus Torvalds authored
Pull more documentation updates from Jonathan Corbet: "A handful of late-arriving docs fixes, along with a patch changing a lot of HTTP links to HTTPS that had to be yanked and redone before the first pull" * tag 'docs-5.8-2' of git://git.lwn.net/linux: docs/memory-barriers.txt/kokr: smp_mb__{before,after}_atomic(): update Documentation Documentation: devres: add missing entry for devm_platform_get_and_ioremap_resource() Replace HTTP links with HTTPS ones: documentation docs: it_IT: address invalid reference warnings doc: zh_CN: use doc reference to resolve undefined label warning docs: Update the location of the LF NDA program docs: dev-tools: coccinelle: underlines
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull more ACPI updates from Rafael Wysocki: "Update the ACPICA code in the kernel to upstream revision 20200528 with the following changes: - Remove some dead code from the acpidump utility (Bob Moore) - Add new OperationRegion subtype keyword PlatformRtMechanism to the compiler (Erik Kaneda)" * tag 'acpi-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPICA: Update version to 20200528 ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism ACPICA: acpidump: Removed dead code from oslinuxtbl.c
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