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    f2fs: don't allow any writes on readonly mount · ec2ddf49
    Jaegeuk Kim 提交于
    generic_make_request: Trying to write to read-only block-device dm-5 (partno 0)
    WARNING: CPU: 7 PID: 546 at block/blk-core.c:2190 generic_make_request_checks+0x664/0x690
    pc : generic_make_request_checks+0x664/0x690
    lr : generic_make_request_checks+0x664/0x690
    Call trace:
     generic_make_request_checks+0x664/0x690
     generic_make_request+0xf0/0x3a4
     submit_bio+0x80/0x250
     __submit_merged_bio+0x368/0x4e0
     __submit_merged_write_cond.llvm.12294350193007536502+0xe0/0x3e8
     f2fs_wait_on_page_writeback+0x84/0x128
     f2fs_convert_inline_page+0x35c/0x6f8
     f2fs_convert_inline_inode+0xe0/0x2e0
     f2fs_file_mmap+0x48/0x9c
     mmap_region+0x41c/0x74c
     do_mmap+0x40c/0x4fc
     vm_mmap_pgoff+0xb8/0x114
     vm_mmap+0x34/0x48
     elf_map+0x68/0x108
     load_elf_binary+0x538/0xb70
     search_binary_handler+0xac/0x1dc
     exec_binprm+0x50/0x15c
     __do_execve_file+0x620/0x740
     __arm64_sys_execve+0x54/0x68
     el0_svc_common+0x9c/0x168
     el0_svc_handler+0x60/0x6c
     el0_svc+0x8/0xc
    Reviewed-by: NChao Yu <yuchao0@huawei.com>
    Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>
    ec2ddf49
inline.c 18.5 KB