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[PATCH] md: don't allow new md/bitmap file to be set if one already exists
author
NeilBrown
<neilb@cse.unsw.edu.au>
Fri, 9 Sep 2005 23:23:43 +0000
(16:23 -0700)
committer
Linus Torvalds
<torvalds@g5.osdl.org>
Fri, 9 Sep 2005 23:39:09 +0000
(16:39 -0700)
... otherwise we loose a reference and can never free the file.
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
drivers/md/md.c
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diff --git
a/drivers/md/md.c
b/drivers/md/md.c
index
373ab92
..
63c5661
100644
(file)
--- a/
drivers/md/md.c
+++ b/
drivers/md/md.c
@@
-2430,7
+2430,7
@@
static int set_bitmap_file(mddev_t *mddev, int fd)
{
int err;
- if (mddev->pers)
+ if (mddev->pers
|| mddev->bitmap_file
)
return -EBUSY;
mddev->bitmap_file = fget(fd);