udf: Protect truncate and file type conversion with invalidate_lock

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Protect truncate and file type conversion in udf_file_write_iter() with
invalidate lock. That will allow us to serialize these paths with page
faults so that the page fault can determine the file type in a racefree
way.

Signed-off-by: Jan Kara <jack@suse.cz>

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This commit is contained in:

Jan Kara 2023-01-19 12:46:09 +01:00

parent 96eeaaaea5

commit b9a861fd52

2 changed files with 11 additions and 6 deletions

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2

fs/udf/file.c

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15

fs/udf/inode.c

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