tree 77cbc102460035ebeea983e7c341d641952a7323
parent e9fd94391e8110db9f9c04299598ca17d48a1ab5
author Jaegeuk Kim <jaegeuk@kernel.org> 1607015668 -0800
committer Alexander Martinz <amartinz@shiftphones.com> 1669788946 +0100
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f2fs: don't allow any writes on readonly mount

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

Change-Id: Ic64ab27a890c8f597619ab545dcceb668aa1b8c5
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>