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Anand Jain
108d8cde1c
Try to punch hole with unaligned size and offset when the FS is full and mounted with nodatacow option. Mainly holes are punched at locations which are unaligned with the file extent boundaries when the FS is full by data. As the punching holes at unaligned location will involve truncating blocks instead of just dropping the extents, it shall involve reserving data and metadata space for delalloc and so data alloc fails as the FS is full. btrfs_punch_hole() btrfs_truncate_block() btrfs_check_data_free_space() <-- ENOSPC We don't fail punch hole if the holes are aligned with the file extent boundaries as it shall involve just dropping the related extents, without truncating data extent blocks. This test was orignally merged as btrfs/172 (commit4c2c678cd), then Iremoved by commit538d8a4bcc. But it's decided to bring back this test case, now the problem is better understood and the fix is available in the ML as below. Link: https://patchwork.kernel.org/patch/11357415/ Reviewed-by: Filipe Manana <fdmanana@suse.com> (cherry picked from commit4c2c678cd5) Signed-off-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
3 lines
43 B
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3 lines
43 B
Plaintext
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