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btrfs-progs: check/lowmem mode: Check inline extent size 

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
master
Qu Wenruo 2018-03-20 14:42:27 +08:00 committed by David Sterba
parent 9708f0d54e
commit 046be13c55
1 changed files with 28 additions and 0 deletions
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28
check/mode-lowmem.c
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@ -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 - 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",