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brlocks/lglocks: turn into functions

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lglocks and brlocks are currently generated with some complicated macros
in lglock.h.  But there's no reason to not just use common utility
functions and put all the data into a common data structure.

Since there are at least two users it makes sense to share this code in a
library.  This is also easier maintainable than a macro forest.

This will also make it later possible to dynamically allocate lglocks and
also use them in modules (this would both still need some additional, but
now straightforward, code)

[[email protected]: checkpatch fixes]
Signed-off-by: Andi Kleen <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Rusty Russell <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Rusty Russell <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Andi Kleen 2012-05-08 13:32:24 +09:30 • committed by Al Viro
commit eea62f831b
5 changed files with 117 additions and 102 deletions
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2
fs/internal.h
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@ -56,7 +56,7 @@ extern int sb_prepare_remount_readonly(struct super_block *);
extern void __init mnt_init(void);
DECLARE_BRLOCK(vfsmount_lock);
extern struct lglock vfsmount_lock;
/*