On 13.03.2018 03:56, Qu Wenruo wrote:
> Signed-off-by: Qu Wenruo <w...@suse.com>
> ---
> check/mode-lowmem.c | 28 ++++++++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c
> index 62bcf3d2e126..0d19b373c7af 100644
> --- a/check/mode-lowmem.c
> +++ b/check/mode-lowmem.c
> @@ -1417,6 +1417,8 @@ static int check_file_extent(struct btrfs_root *root,
> struct btrfs_key *fkey,
> u64 csum_found; /* In byte size, sectorsize aligned */
> u64 search_start; /* Logical range start we search for csum */
> u64 search_len; /* Logical range len we search for csum */
> + u32 max_inline_extent_size = min_t(u32, root->fs_info->sectorsize - 1,
> + BTRFS_MAX_INLINE_DATA_SIZE(root->fs_info));
> unsigned int extent_type;
> unsigned int is_hole;
> int compressed = 0;
> @@ -1440,6 +1442,32 @@ static int check_file_extent(struct btrfs_root *root,
> struct btrfs_key *fkey,
> root->objectid, fkey->objectid, fkey->offset);
> err |= FILE_EXTENT_ERROR;
> }
> + if (compressed) {
> + if (extent_num_bytes > root->fs_info->sectorsize) {
> + error(
> +"root %llu EXTENT_DATA[%llu %llu] too large inline extent ram size, have
> %llu, max: %u",
> + root->objectid, fkey->objectid,
> + fkey->offset, extent_num_bytes,
> + root->fs_info->sectorsize);
nit: shouldn't this really be sectorsize - 1 ?
> + err |= FILE_EXTENT_ERROR;
> + }
> + if (item_inline_len > max_inline_extent_size) {
> + error(
> +"root %llu EXTENT_DATA[%llu %llu] too large inline extent on-disk size, have
> %u, max: %u",
> + root->objectid, fkey->objectid,
> + fkey->offset, item_inline_len,
> + max_inline_extent_size);
> + err |= FILE_EXTENT_ERROR;
> + }
> + } else {
> + if (extent_num_bytes > max_inline_extent_size) {
> + error(
> + "root %llu EXTENT_DATA[%llu %llu] too large inline extent size, have %llu,
> max: %u",
> + root->objectid, fkey->objectid, fkey->offset,
> + extent_num_bytes, max_inline_extent_size);
> + err |= FILE_EXTENT_ERROR;
> + }
> + }
> if (!compressed && extent_num_bytes != item_inline_len) {
> error(
> "root %llu EXTENT_DATA[%llu %llu] wrong inline size, have:
> %llu, expected: %u",
>
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