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btrfs: Replace panic() with proper error handling in Inode.cpp

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Replace kernel panics with ERROR() logging and proper error return
codes for unhandled extent types and unsupported compression types
in FindBlock() and ReadAt(). This prevents system crashes when
encountering unknown/unimplemented extent types.

Hashtags: gsoc2026
Change-Id: I0aec28dbbb5304c149f4a969d7017c347c876648
Reviewed-on: https://review.haiku-os.org/c/haiku/+/10475
Tested-by: Commit checker robot <[email protected]>
Reviewed-by: Adrien Destugues <[email protected]>
Haiku-Format: Haiku-format Bot <[email protected]>
This commit is contained in:
anujbillore-0-0
2026-04-08 11:24:20 +00:00
committed by Adrien Destugues
parent f02a32d987
commit 6f5f5465f4
1 changed files with 6 additions and 3 deletions
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src/add-ons/kernel/file_systems/btrfs/Inode.cpp
+6 -3
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@@ -196,8 +196,11 @@ Inode::FindBlock(off_t pos, off_t& physical, off_t* _length)
off_t logical = 0;
if (extent_data->Type() == BTRFS_EXTENT_DATA_REGULAR)
logical = diff + extent_data->disk_offset;
else
panic("unknown extent type; %d\n", extent_data->Type());
else {
ERROR("unknown extent type; %d\n", extent_data->Type());
free(extent_data);
return B_BAD_DATA;
}
status = fVolume->FindBlock(logical, physical);
if (_length != NULL)
*_length = extent_data->Size() - diff;
@@ -270,7 +273,7 @@ Inode::ReadAt(off_t pos, uint8* buffer, size_t* _length)
off_t diff = pos - search_key.Offset();
if (extent_data->Type() != BTRFS_EXTENT_DATA_INLINE) {
panic("unknown extent type; %d\n", extent_data->Type());
ERROR("unknown extent type; %d\n", extent_data->Type());
return B_BAD_DATA;
}