Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
f2fs: do not support mmap write for large folio
Let's check mmap writes onto the large folio, since we don't support writing
large folios.
Reviewed-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
+10
-1
+10
-1
fs/f2fs/file.c
+10
-1
fs/f2fs/file.c
···
82
82
int err = 0;
83
83
vm_fault_t ret;
84
84
85
-
if (unlikely(IS_IMMUTABLE(inode)))
85
+
/*
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+
* We only support large folio on the read case.
87
+
* Don't make any dirty pages.
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+
*/
89
+
if (unlikely(IS_IMMUTABLE(inode)) ||
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+
mapping_large_folio_support(inode->i_mapping)) {
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+
f2fs_err(sbi, "Not expected: immutable: %d large_folio: %d",
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+
IS_IMMUTABLE(inode),
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+
mapping_large_folio_support(inode->i_mapping));
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94
return VM_FAULT_SIGBUS;
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+
}
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if (is_inode_flag_set(inode, FI_COMPRESS_RELEASED)) {
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err = -EIO;