ext4: simplify list handling in ext4_do_flush_completed_IO()

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The function splices i_completed_io_list to its private list
first.  From that moment on we don't need any lock for working with
io_end structures because all io_end structure on the list are only
our own. So we can remove the other two lists in the function and free
io_end immediately after we are done with it.

CC: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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Jan Kara 2013-01-28 09:49:15 -05:00 • committed by Theodore Ts'o

parent 84c17543ab

commit 002bd7fa3a

1 changed files with 1 additions and 17 deletions

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18

fs/ext4/page-io.c

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