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linux-next/fs/f2fs
Sheng Yong 26b5a07919 f2fs: cleanup dirty pages if recover failed
During recover, we will try to create new dentries for inodes with
dentry_mark. But if the parent is missing (e.g. killed by fsck),
recover will break. But those recovered dirty pages are not cleanup.
This will hit f2fs_bug_on:

[   53.519566] F2FS-fs (loop0): Found nat_bits in checkpoint
[   53.539354] F2FS-fs (loop0): recover_inode: ino = 5, name = file, inline = 3
[   53.539402] F2FS-fs (loop0): recover_dentry: ino = 5, name = file, dir = 0, err = -2
[   53.545760] F2FS-fs (loop0): Cannot recover all fsync data errno=-2
[   53.546105] F2FS-fs (loop0): access invalid blkaddr:4294967295
[   53.546171] WARNING: CPU: 1 PID: 1798 at fs/f2fs/checkpoint.c:163 f2fs_is_valid_blkaddr+0x26c/0x320
[   53.546174] Modules linked in:
[   53.546183] CPU: 1 PID: 1798 Comm: mount Not tainted 4.19.0-rc2+ #1
[   53.546186] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
[   53.546191] RIP: 0010:f2fs_is_valid_blkaddr+0x26c/0x320
[   53.546195] Code: 85 bb 00 00 00 48 89 df 88 44 24 07 e8 ad a8 db ff 48 8b 3b 44 89 e1 48 c7 c2 40 03 72 a9 48 c7 c6 e0 01 72 a9 e8 84 3c ff ff <0f> 0b 0f b6 44 24 07 e9 8a 00 00 00 48 8d bf 38 01 00 00 e8 7c a8
[   53.546201] RSP: 0018:ffff88006c067768 EFLAGS: 00010282
[   53.546208] RAX: 0000000000000000 RBX: ffff880068844200 RCX: ffffffffa83e1a33
[   53.546211] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88006d51e590
[   53.546215] RBP: 0000000000000005 R08: ffffed000daa3cb3 R09: ffffed000daa3cb3
[   53.546218] R10: 0000000000000001 R11: ffffed000daa3cb2 R12: 00000000ffffffff
[   53.546221] R13: ffff88006a1f8000 R14: 0000000000000200 R15: 0000000000000009
[   53.546226] FS:  00007fb2f3646840(0000) GS:ffff88006d500000(0000) knlGS:0000000000000000
[   53.546229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.546234] CR2: 00007f0fd77f0008 CR3: 00000000687e6002 CR4: 00000000000206e0
[   53.546237] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   53.546240] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   53.546242] Call Trace:
[   53.546248]  f2fs_submit_page_bio+0x95/0x740
[   53.546253]  read_node_page+0x161/0x1e0
[   53.546271]  ? truncate_node+0x650/0x650
[   53.546283]  ? add_to_page_cache_lru+0x12c/0x170
[   53.546288]  ? pagecache_get_page+0x262/0x2d0
[   53.546292]  __get_node_page+0x200/0x660
[   53.546302]  f2fs_update_inode_page+0x4a/0x160
[   53.546306]  f2fs_write_inode+0x86/0xb0
[   53.546317]  __writeback_single_inode+0x49c/0x620
[   53.546322]  writeback_single_inode+0xe4/0x1e0
[   53.546326]  sync_inode_metadata+0x93/0xd0
[   53.546330]  ? sync_inode+0x10/0x10
[   53.546342]  ? do_raw_spin_unlock+0xed/0x100
[   53.546347]  f2fs_sync_inode_meta+0xe0/0x130
[   53.546351]  f2fs_fill_super+0x287d/0x2d10
[   53.546367]  ? vsnprintf+0x742/0x7a0
[   53.546372]  ? f2fs_commit_super+0x180/0x180
[   53.546379]  ? up_write+0x20/0x40
[   53.546385]  ? set_blocksize+0x5f/0x140
[   53.546391]  ? f2fs_commit_super+0x180/0x180
[   53.546402]  mount_bdev+0x181/0x200
[   53.546406]  mount_fs+0x94/0x180
[   53.546411]  vfs_kern_mount+0x6c/0x1e0
[   53.546415]  do_mount+0xe5e/0x1510
[   53.546420]  ? fs_reclaim_release+0x9/0x30
[   53.546424]  ? copy_mount_string+0x20/0x20
[   53.546428]  ? fs_reclaim_acquire+0xd/0x30
[   53.546435]  ? __might_sleep+0x2c/0xc0
[   53.546440]  ? ___might_sleep+0x53/0x170
[   53.546453]  ? __might_fault+0x4c/0x60
[   53.546468]  ? _copy_from_user+0x95/0xa0
[   53.546474]  ? memdup_user+0x39/0x60
[   53.546478]  ksys_mount+0x88/0xb0
[   53.546482]  __x64_sys_mount+0x5d/0x70
[   53.546495]  do_syscall_64+0x65/0x130
[   53.546503]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.547639] ---[ end trace b804d1ea2fec893e ]---

So if recover fails, we need to drop all recovered data.

Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
2018-10-22 17:54:47 -07:00
..
acl.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
acl.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
checkpoint.c f2fs: checkpoint disabling 2018-10-16 09:36:39 -07:00
data.c f2fs: fix data corruption issue with hardware encryption 2018-10-22 17:54:47 -07:00
debug.c f2fs: account read IOs and use IO counts for is_idle 2018-10-22 17:54:46 -07:00
dir.c f2fs: fix to spread clear_cold_data() 2018-10-22 17:54:46 -07:00
extent_cache.c f2fs: use rb_*_cached friends 2018-10-16 09:36:59 -07:00
f2fs.h f2fs: fix data corruption issue with hardware encryption 2018-10-22 17:54:47 -07:00
file.c f2fs: do not update REQ_TIME in case of error conditions 2018-10-16 09:37:00 -07:00
gc.c f2fs: submit cached bio to avoid endless PageWriteback 2018-10-16 09:36:59 -07:00
gc.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
hash.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
inline.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
inode.c f2fs: fix to recover cold bit of inode block during POR 2018-10-16 09:36:59 -07:00
Kconfig fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at 2018-01-01 12:45:37 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
namei.c f2fs: spread f2fs_set_inode_flags() 2018-10-22 17:54:47 -07:00
node.c f2fs: remove unneeded disable_nat_bits() 2018-10-16 09:36:59 -07:00
node.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
recovery.c f2fs: cleanup dirty pages if recover failed 2018-10-22 17:54:47 -07:00
segment.c f2fs: fix data corruption issue with hardware encryption 2018-10-22 17:54:47 -07:00
segment.h f2fs: checkpoint disabling 2018-10-16 09:36:39 -07:00
shrinker.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
super.c f2fs: cleanup dirty pages if recover failed 2018-10-22 17:54:47 -07:00
sysfs.c f2fs: support superblock checksum 2018-09-30 18:34:18 -07:00
trace.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
trace.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
xattr.c f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00
xattr.h f2fs: add SPDX license identifiers 2018-09-12 13:07:10 -07:00