diff options
| author | Qu Wenruo <wqu@suse.com> | 2018-03-20 14:42:27 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-03-30 22:15:54 +0200 |
| commit | 046be13c551db8f1ed32cffaf3b4bbe3c9b784da (patch) | |
| tree | e4597848d2060b6d9b8f37fe5d57ec466bded6b4 /check/mode-lowmem.c | |
| parent | 9708f0d54e0381017114c0a4ca1f48e7aa8a8bbc (diff) | |
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>
Diffstat (limited to 'check/mode-lowmem.c')
| -rw-r--r-- | check/mode-lowmem.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/check/mode-lowmem.c b/check/mode-lowmem.c index 663cee11..dac3201b 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 - 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", |