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jbd2: check return value of blkdev_issue_flush()

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blkdev_issue_flush() can fail; make sure the error gets properly
propagated.

This is a port of the equivalent jbd patch from commit 349ecd6a3c.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2012-08-17 09:56:17 -04:00
parent 67a5da564f
commit 316e4cfd0b
1 changed files with 5 additions and 2 deletions
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7
fs/jbd2/recovery.c
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@ -289,8 +289,11 @@ int jbd2_journal_recover(journal_t *journal)
if (!err)
err = err2;
/* Make sure all replayed data is on permanent storage */
if (journal->j_flags & JBD2_BARRIER)
blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
if (journal->j_flags & JBD2_BARRIER) {
err2 = blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL);
if (!err)
err = err2;
}
return err;
}