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udf: Replace bkl with the UDF_I(inode)->i_data_sem for protect udf_inode_info struct

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Replace bkl with the UDF_I(inode)->i_data_sem rw semaphore in
udf_release_file(), udf_symlink(), udf_symlink_filler(), udf_get_block(),
udf_block_map(), and udf_setattr(). The rule now is that any operation
on regular file's or symlink's extents (or generally allocation information
including goal block) needs to hold i_data_sem.

This work was supported by a hardware donation from the CE Linux Forum.

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Jan Kara <jack@suse.cz>
This commit is contained in:
Alessio Igor Bogani 2010-11-16 18:40:47 +01:00 • committed by Jan Kara
commit 4d0fb621d3
6 changed files with 37 additions and 19 deletions
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