udf: Preserve link count of system files

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commit fc8033a34a upstream.

System files in UDF filesystem have link count 0. To not confuse VFS we
fudge the link count to be 1 when reading such inodes however we forget
to restore the link count of 0 when writing such inodes. Fix that.

CC: stable@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jan Kara 2023-01-03 09:56:56 +01:00 • committed by Greg Kroah-Hartman

parent 6837910aeb

commit 65f64fb9c2

3 changed files with 10 additions and 3 deletions

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9

fs/udf/inode.c

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1

fs/udf/super.c

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3

fs/udf/udf_i.h

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