Subject ext4: fix unaligned edge handling in FALLOC_FL_WRITE_ZEROES
Author yizhang089@gmail.com
Date 2026-07-01 14:20:04 +0000 UTC
Version
Cc adilger.kernel@dilger.ca chengzhihao1@huawei.com jack@suse.cz libaokun@linux.alibaba.com linux-ext4@vger.kernel.org linux-fsdevel@vger.kernel.org linux-kernel@vger.kernel.org ojaswin@linux.ibm.com ritesh.list@gmail.com tytso@mit.edu yangerkun@huawei.com yi.zhang@huawei.com yi.zhang@huaweicloud.com yizhang089@gmail.com
Patches (6)
Name Content [All]
[PATCH 1/6] ext4: move partial block zeroing earlier in ext4_zero_range() [Body]
[PATCH 2/6] ext4: clarify return semantics of ext4_load_tail_bh() [Body]
[PATCH 3/6] ext4: track partial-zero outcome per edge in ext4_zero_partial_blocks() [Body]
[PATCH 4/6] ext4: zero out whole block for clean edges in WRITE_ZEROES [Body]
[PATCH 5/6] ext4: write back partial-zeroed edges in WRITE_ZEROES [Body]
[PATCH 6/6] ext4: skip ext4_update_disksize_before_punch() in WRITE_ZEROES [Body]
Session 2026-07-01
ID (for dev) 858935ed-f329-4ffd-84eb-84ae6218996f
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] passed [Log]
[KASAN] Boot test: Base d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] passed [Log]
[KASAN] Build Patched d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] [patched] passed [Log]
[KASAN] Boot test: Patched d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] [patched] passed [Log]
[KASAN] Fuzz d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] d86d4f8cbb5a55a3b9b86f7b5ab8c4cdda600a3f [Config] [patched] passed [Log] [Artifacts]