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Anand Jain
4c2c678cd5
Try to punch hole with unaligned size and offset when the FS is full. 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. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: Filipe Manana <fdmanana@suse.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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