The patch titled
Subject: nilfs2: use bgl_lock_ptr()
has been added to the -mm tree. Its filename is
nilfs2-use-bgl_lock_ptr.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/nilfs2-use-bgl_lock_ptr.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/nilfs2-use-bgl_lock_ptr.patch
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------------------------------------------------------
From: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx>
Subject: 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@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/nilfs2/mdt.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff -puN fs/nilfs2/mdt.h~nilfs2-use-bgl_lock_ptr fs/nilfs2/mdt.h
--- a/fs/nilfs2/mdt.h~nilfs2-use-bgl_lock_ptr
+++ a/fs/nilfs2/mdt.h
@@ -111,7 +111,10 @@ static inline __u64 nilfs_mdt_cno(struct
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 */
_
Patches currently in -mm which might be from konishi.ryusuke@xxxxxxxxxxxxx are
nilfs2-do-not-use-async-write-flag-for-segment-summary-buffers.patch
nilfs2-use-set_mask_bits-for-operations-on-buffer-state-bitmap.patch
nilfs2-use-bgl_lock_ptr.patch
nilfs2-unify-type-of-key-arguments-in-bmap-interface.patch
nilfs2-add-bmap-function-to-seek-a-valid-key.patch
nilfs2-add-helper-to-find-existent-block-on-metadata-file.patch
nilfs2-improve-execution-time-of-nilfs_ioctl_get_cpinfo-ioctl.patch
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