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/openbmc/linux/fs/udf/
H A Dtruncate.cdiff 7e49b6f2480cb9a9e7322a91592e56a5c85361f5 Thu Oct 21 17:30:26 CDT 2010 Jan Kara <jack@suse.cz> udf: Convert UDF to new truncate calling sequence

Use new truncation sequence in UDF and fix up error handling in the
code.

Signed-off-by: Jan Kara <jack@suse.cz>
H A Dudfdecl.hdiff 7e49b6f2480cb9a9e7322a91592e56a5c85361f5 Thu Oct 21 17:30:26 CDT 2010 Jan Kara <jack@suse.cz> udf: Convert UDF to new truncate calling sequence

Use new truncation sequence in UDF and fix up error handling in the
code.

Signed-off-by: Jan Kara <jack@suse.cz>
H A Dinode.cdiff f2e95355891153f66d4156bf3a142c6489cd78c6 Tue Jun 13 09:20:25 CDT 2017 Jan Kara <jack@suse.cz> udf: Fix deadlock between writeback and udf_setsize()

udf_setsize() called truncate_setsize() with i_data_sem held. Thus
truncate_pagecache() called from truncate_setsize() could lock a page
under i_data_sem which can deadlock as page lock ranks below
i_data_sem - e. g. writeback can hold page lock and try to acquire
i_data_sem to map a block.

Fix the problem by moving truncate_setsize() calls from under
i_data_sem. It is safe for us to change i_size without holding
i_data_sem as all the places that depend on i_size being stable already
hold inode_lock.

CC: stable@vger.kernel.org
Fixes: 7e49b6f2480cb9a9e7322a91592e56a5c85361f5
Signed-off-by: Jan Kara <jack@suse.cz>
diff 7e49b6f2480cb9a9e7322a91592e56a5c85361f5 Thu Oct 21 17:30:26 CDT 2010 Jan Kara <jack@suse.cz> udf: Convert UDF to new truncate calling sequence

Use new truncation sequence in UDF and fix up error handling in the
code.

Signed-off-by: Jan Kara <jack@suse.cz>
H A Dfile.cdiff 7e49b6f2480cb9a9e7322a91592e56a5c85361f5 Thu Oct 21 17:30:26 CDT 2010 Jan Kara <jack@suse.cz> udf: Convert UDF to new truncate calling sequence

Use new truncation sequence in UDF and fix up error handling in the
code.

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