From: Jaegeuk Kim <jaegeuk@kernel.org> To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Cc: Jaegeuk Kim <jaegeuk@kernel.org> Subject: [PATCH 1/2] f2fs: don't allow any writes on readonly mount Date: Thu, 3 Dec 2020 12:55:21 -0800 [thread overview] Message-ID: <20201203205522.891082-1-jaegeuk@kernel.org> (raw) 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 Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/inline.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 92e9852d316a..d09a0bdc0197 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -188,7 +188,8 @@ int f2fs_convert_inline_inode(struct inode *inode) struct page *ipage, *page; int err = 0; - if (!f2fs_has_inline_data(inode)) + if (!f2fs_has_inline_data(inode) || + f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb)) return 0; page = f2fs_grab_cache_page(inode->i_mapping, 0, false); -- 2.29.2.576.ga3fc446d84-goog
WARNING: multiple messages have this Message-ID (diff)
From: Jaegeuk Kim <jaegeuk@kernel.org> To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com Cc: Jaegeuk Kim <jaegeuk@kernel.org> Subject: [f2fs-dev] [PATCH 1/2] f2fs: don't allow any writes on readonly mount Date: Thu, 3 Dec 2020 12:55:21 -0800 [thread overview] Message-ID: <20201203205522.891082-1-jaegeuk@kernel.org> (raw) 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 Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/inline.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 92e9852d316a..d09a0bdc0197 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -188,7 +188,8 @@ int f2fs_convert_inline_inode(struct inode *inode) struct page *ipage, *page; int err = 0; - if (!f2fs_has_inline_data(inode)) + if (!f2fs_has_inline_data(inode) || + f2fs_hw_is_readonly(sbi) || f2fs_readonly(sbi->sb)) return 0; page = f2fs_grab_cache_page(inode->i_mapping, 0, false); -- 2.29.2.576.ga3fc446d84-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next reply other threads:[~2020-12-03 20:56 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-03 20:55 Jaegeuk Kim [this message] 2020-12-03 20:55 ` [f2fs-dev] [PATCH 1/2] f2fs: don't allow any writes on readonly mount Jaegeuk Kim 2020-12-03 20:55 ` [PATCH 2/2] f2fs: introduce max_io_bytes, a sysfs entry, to limit bio size Jaegeuk Kim 2020-12-03 20:55 ` [f2fs-dev] " Jaegeuk Kim 2020-12-07 7:55 ` Chao Yu 2020-12-07 7:55 ` Chao Yu 2020-12-07 7:51 ` [f2fs-dev] [PATCH 1/2] f2fs: don't allow any writes on readonly mount Chao Yu 2020-12-07 7:51 ` Chao Yu
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