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CacheFiles: Make some debugging statements conditional

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Downgrade some debugging statements to not unconditionally print stuff, but
rather be conditional on the appropriate module parameter setting.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2012-12-20 21:52:34 +00:00
parent 0f972b5696
commit 37491a1339
1 changed files with 7 additions and 7 deletions
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14
fs/cachefiles/rdwr.c
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@ -77,25 +77,25 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
struct page *backpage = monitor->back_page, *backpage2;
int ret;
kenter("{ino=%lx},{%lx,%lx}",
_enter("{ino=%lx},{%lx,%lx}",
object->backer->d_inode->i_ino,
backpage->index, backpage->flags);
/* skip if the page was truncated away completely */
if (backpage->mapping != bmapping) {
kleave(" = -ENODATA [mapping]");
_leave(" = -ENODATA [mapping]");
return -ENODATA;
}
backpage2 = find_get_page(bmapping, backpage->index);
if (!backpage2) {
kleave(" = -ENODATA [gone]");
_leave(" = -ENODATA [gone]");
return -ENODATA;
}
if (backpage != backpage2) {
put_page(backpage2);
kleave(" = -ENODATA [different]");
_leave(" = -ENODATA [different]");
return -ENODATA;
}
@ -114,7 +114,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
if (PageUptodate(backpage))
goto unlock_discard;
kdebug("reissue read");
_debug("reissue read");
ret = bmapping->a_ops->readpage(NULL, backpage);
if (ret < 0)
goto unlock_discard;
@ -129,7 +129,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
}
/* it'll reappear on the todo list */
kleave(" = -EINPROGRESS");
_leave(" = -EINPROGRESS");
return -EINPROGRESS;
unlock_discard:
@ -137,7 +137,7 @@ static int cachefiles_read_reissue(struct cachefiles_object *object,
spin_lock_irq(&object->work_lock);
list_del(&monitor->op_link);
spin_unlock_irq(&object->work_lock);
kleave(" = %d", ret);
_leave(" = %d", ret);
return ret;
}