Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
f2fs: add error checking in do_write_page()
Otherwise, the filesystem may unaware of potential file corruption.
Signed-off-by: mason.zhang <masonzhang.linuxer@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
authored by
mason.zhang
and committed by
Jaegeuk Kim
76bb6a72
e75ce117
+8
-2
+8
-2
fs/f2fs/segment.c
+8
-2
fs/f2fs/segment.c
···
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int seg_type = log_type_to_seg_type(type);
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bool keep_order = (f2fs_lfs_mode(fio->sbi) &&
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seg_type == CURSEG_COLD_DATA);
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+
int err;
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if (keep_order)
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f2fs_down_read(&fio->sbi->io_order_lock);
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-
if (f2fs_allocate_data_block(fio->sbi, folio, fio->old_blkaddr,
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-
&fio->new_blkaddr, sum, type, fio)) {
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+
err = f2fs_allocate_data_block(fio->sbi, folio, fio->old_blkaddr,
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+
&fio->new_blkaddr, sum, type, fio);
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+
if (unlikely(err)) {
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+
f2fs_err_ratelimited(fio->sbi,
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+
"%s Failed to allocate data block, ino:%u, index:%lu, type:%d, old_blkaddr:0x%x, new_blkaddr:0x%x, err:%d",
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+
__func__, fio->ino, folio->index, type,
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+
fio->old_blkaddr, fio->new_blkaddr, err);
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if (fscrypt_inode_uses_fs_layer_crypto(folio->mapping->host))
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fscrypt_finalize_bounce_page(&fio->encrypted_page);
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folio_end_writeback(folio);