jbd2: Add function jbd2_trans_will_send_data_barrier()

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Provide a function which returns whether a transaction with given tid
will send a flush to the filesystem device.  The function will be used
by ext4 to detect whether fsync needs to send a separate flush or not.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

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Jan Kara 2011-05-24 11:59:18 -04:00 • committed by Theodore Ts'o

parent 81be12c817

commit bbd2be3691

3 changed files with 53 additions and 2 deletions

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10

fs/jbd2/commit.c

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41

fs/jbd2/journal.c

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4

include/linux/jbd2.h

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