[lvc-project] [PATCH RFC] ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock()
Theodore Ts'o
tytso at mit.edu
Mon Nov 17 22:13:36 MSK 2025
On Tue, 04 Nov 2025 09:33:25 +0000, Alexey Nepomnyashih wrote:
> Fix a race between inline data destruction and block mapping.
>
> The function ext4_destroy_inline_data_nolock() changes the inode data
> layout by clearing EXT4_INODE_INLINE_DATA and setting EXT4_INODE_EXTENTS.
> At the same time, another thread may execute ext4_map_blocks(), which
> tests EXT4_INODE_EXTENTS to decide whether to call ext4_ext_map_blocks()
> or ext4_ind_map_blocks().
>
> [...]
Applied, thanks!
[1/1] ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock()
commit: 103ce01cd045197461d654f62f1a30cabedbcad4
Best regards,
--
Theodore Ts'o <tytso at mit.edu>
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