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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> |
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| .. | ||
| acl.c | ||
| acl.h | ||
| checkpoint.c | ||
| data.c | ||
| debug.c | ||
| dir.c | ||
| extent_cache.c | ||
| f2fs.h | ||
| file.c | ||
| gc.c | ||
| gc.h | ||
| hash.c | ||
| inline.c | ||
| inode.c | ||
| Kconfig | ||
| Makefile | ||
| namei.c | ||
| node.c | ||
| node.h | ||
| recovery.c | ||
| segment.c | ||
| segment.h | ||
| shrinker.c | ||
| super.c | ||
| sysfs.c | ||
| trace.c | ||
| trace.h | ||
| xattr.c | ||
| xattr.h | ||