From a057d2c01161444c48b12a60351ae6c7135f6e61 Mon Sep 17 00:00:00 2001 From: Ryusuke Konishi Date: Thu, 19 Nov 2009 19:58:46 +0900 Subject: nilfs2: add helper to get if volume is in a valid state This adds a helper function, nilfs_valid_fs() which returns if nilfs is in a valid state or not. Signed-off-by: Ryusuke Konishi --- fs/nilfs2/the_nilfs.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'fs/nilfs2/the_nilfs.h') diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h index 20abd55881e..589786e3346 100644 --- a/fs/nilfs2/the_nilfs.h +++ b/fs/nilfs2/the_nilfs.h @@ -258,6 +258,16 @@ static inline void nilfs_put_sbinfo(struct nilfs_sb_info *sbi) kfree(sbi); } +static inline int nilfs_valid_fs(struct the_nilfs *nilfs) +{ + unsigned valid_fs; + + down_read(&nilfs->ns_sem); + valid_fs = (nilfs->ns_mount_state & NILFS_VALID_FS); + up_read(&nilfs->ns_sem); + return valid_fs; +} + static inline void nilfs_get_segment_range(struct the_nilfs *nilfs, __u64 segnum, sector_t *seg_start, sector_t *seg_end) -- cgit v1.2.3