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Diffstat (limited to 'fs/nilfs2/the_nilfs.h')
-rw-r--r--fs/nilfs2/the_nilfs.h10
1 files changed, 10 insertions, 0 deletions
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)