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blockgroup_lock.h: remove debris from bgl_lock_ptr() conversion 

An obsolete comment and extra parentheses were left over from when the
sb_bgl_lock() macro was replaced with the bgl_lock_ptr() function.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
This commit is contained in:
Eric Biggers 2016-09-15 18:25:07 -04:00 committed by Theodore Ts'o
parent ef1eb3aa50
commit 9e5ab85deb
1 changed files with 1 additions and 5 deletions
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6
include/linux/blockgroup_lock.h
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@ -49,14 +49,10 @@ static inline void bgl_lock_init(struct blockgroup_lock *bgl)
spin_lock_init(&bgl->locks[i].lock); spin_lock_init(&bgl->locks[i].lock);
} }
/*
* The accessor is a macro so we can embed a blockgroup_lock into different
* superblock types
*/
static inline spinlock_t * static inline spinlock_t *
bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group) bgl_lock_ptr(struct blockgroup_lock *bgl, unsigned int block_group)
{ {
return &bgl->locks[(block_group) & (NR_BG_LOCKS-1)].lock; return &bgl->locks[block_group & (NR_BG_LOCKS-1)].lock;
} }
#endif #endif