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| /openbmc/linux/fs/f2fs/ |
| H A D | node.c | 1f258ec1 Tue Jun 06 22:17:35 CDT 2017 Chao Yu <yuchao0@huawei.com> f2fs: fix to avoid panic when encountering corrupt node
With fault_injection option, generic/361 of fstests will complain us
with below message:
Call Trace:
get_node_page+0x12/0x20 [f2fs]
f2fs_iget+0x92/0x7d0 [f2fs]
f2fs_fill_super+0x10fb/0x15e0 [f2fs]
mount_bdev+0x184/0x1c0
f2fs_mount+0x15/0x20 [f2fs]
mount_fs+0x39/0x150
vfs_kern_mount+0x67/0x110
do_mount+0x1bb/0xc70
SyS_mount+0x83/0xd0
do_syscall_64+0x6e/0x160
entry_SYSCALL64_slow_path+0x25/0x25
Since mkfs loop device in f2fs partition can be failed silently due to
checkpoint error injection, so root inode page can be corrupted, in order
to avoid needless panic, in get_node_page, it's better to leave message
and return error to caller, and let fsck repaire it later.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
1f258ec1 Tue Jun 06 22:17:35 CDT 2017 Chao Yu <yuchao0@huawei.com> f2fs: fix to avoid panic when encountering corrupt node
With fault_injection option, generic/361 of fstests will complain us
with below message:
Call Trace:
get_node_page+0x12/0x20 [f2fs]
f2fs_iget+0x92/0x7d0 [f2fs]
f2fs_fill_super+0x10fb/0x15e0 [f2fs]
mount_bdev+0x184/0x1c0
f2fs_mount+0x15/0x20 [f2fs]
mount_fs+0x39/0x150
vfs_kern_mount+0x67/0x110
do_mount+0x1bb/0xc70
SyS_mount+0x83/0xd0
do_syscall_64+0x6e/0x160
entry_SYSCALL64_slow_path+0x25/0x25
Since mkfs loop device in f2fs partition can be failed silently due to
checkpoint error injection, so root inode page can be corrupted, in order
to avoid needless panic, in get_node_page, it's better to leave message
and return error to caller, and let fsck repaire it later.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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