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authorRyusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>2015-04-16 19:46:31 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2015-04-17 13:04:03 (GMT)
commit0de6d6b9a2ba21ae28b2420f6684021904833f68 (patch)
treeb8f0c9217fe2bf2b6fac941858d863661a4b766d
parentead8ecffa3e180202c1096a39f14bbecffb139a1 (diff)
downloadlinux-0de6d6b9a2ba21ae28b2420f6684021904833f68.tar.xz
nilfs2: use bgl_lock_ptr()
Simplify nilfs_mdt_bgl_lock() by utilizing bgl_lock_ptr() helper in <linux/blockgroup_lock.h>. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/nilfs2/mdt.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/fs/nilfs2/mdt.h b/fs/nilfs2/mdt.h
index ab172e8..a294ea3 100644
--- a/fs/nilfs2/mdt.h
+++ b/fs/nilfs2/mdt.h
@@ -111,7 +111,10 @@ static inline __u64 nilfs_mdt_cno(struct inode *inode)
return ((struct the_nilfs *)inode->i_sb->s_fs_info)->ns_cno;
}
-#define nilfs_mdt_bgl_lock(inode, bg) \
- (&NILFS_MDT(inode)->mi_bgl->locks[(bg) & (NR_BG_LOCKS-1)].lock)
+static inline spinlock_t *
+nilfs_mdt_bgl_lock(struct inode *inode, unsigned int block_group)
+{
+ return bgl_lock_ptr(NILFS_MDT(inode)->mi_bgl, block_group);
+}
#endif /* _NILFS_MDT_H */