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jbd2: factor out common descriptor block initialization

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Descriptor block header is initialized in several places. Factor out the
common code into jbd2_journal_get_descriptor_buffer().

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2016-02-22 23:17:15 -05:00 • committed by Theodore Ts'o
parent 9bcf976cb8
commit 32ab671599
4 changed files with 16 additions and 19 deletions
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2
include/linux/jbd2.h
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@ -1137,7 +1137,7 @@ static inline void jbd2_unfile_log_bh(struct buffer_head *bh)
}
/* Log buffer allocation */
struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal);
struct buffer_head *jbd2_journal_get_descriptor_buffer(transaction_t *, int);
int jbd2_journal_next_log_block(journal_t *, unsigned long long *);
int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid,
unsigned long *block);