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dec use count on close. corrects a typo.

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Really the use counts on these modules should be handled at a higher level,
otherwise there are races I think.
This commit is contained in:
Steven Whitehouse 2001-08-20 15:59:22 +00:00
parent da44380f86
commit 9404455a07
1 changed files with 3 additions and 3 deletions
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6
driver/device-mapper/dm.c
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@ -121,7 +121,7 @@
* writes got copied to both destinations correctly. Great for
* implementing pvmove. Not sure how userland would be notified that
* the copying process had completed. Possibly by reading a /proc entry
* for the LV.
* for the LV. Could also use poll() for this kind of thing.
*/
#define MAX_DEVICES 64
@ -229,7 +229,7 @@ static int _blk_open(struct inode *inode, struct file *file)
md->in_use++;
spin_unlock(&md->lock);
MOD_INC_USE_COUNT;
MOD_INC_USE_COUNT; /* isn't this done by blk layer ? it should be */
return 0;
}
@ -252,7 +252,7 @@ static int _blk_close(struct inode *inode, struct file *file)
md->in_use--;
spin_unlock(&md->lock);
MOD_INC_USE_COUNT;
MOD_DEC_USE_COUNT;
return 0;
}