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Diffstat (limited to 'fs/nilfs2/the_nilfs.h')
-rw-r--r--fs/nilfs2/the_nilfs.h27
1 files changed, 12 insertions, 15 deletions
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 23778d385..79369fd6b 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -13,11 +13,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Written by Ryusuke Konishi <ryusuke@osrg.net>
+ * Written by Ryusuke Konishi.
*
*/
@@ -118,10 +114,10 @@ struct the_nilfs {
struct buffer_head *ns_sbh[2];
struct nilfs_super_block *ns_sbp[2];
time_t ns_sbwtime;
- unsigned ns_sbwcount;
- unsigned ns_sbsize;
- unsigned ns_mount_state;
- unsigned ns_sb_update_freq;
+ unsigned int ns_sbwcount;
+ unsigned int ns_sbsize;
+ unsigned int ns_mount_state;
+ unsigned int ns_sb_update_freq;
/*
* Following fields are dedicated to a writable FS-instance.
@@ -226,15 +222,14 @@ THE_NILFS_FNS(SB_DIRTY, sb_dirty)
* Mount option operations
*/
#define nilfs_clear_opt(nilfs, opt) \
- do { (nilfs)->ns_mount_opt &= ~NILFS_MOUNT_##opt; } while (0)
+ ((nilfs)->ns_mount_opt &= ~NILFS_MOUNT_##opt)
#define nilfs_set_opt(nilfs, opt) \
- do { (nilfs)->ns_mount_opt |= NILFS_MOUNT_##opt; } while (0)
+ ((nilfs)->ns_mount_opt |= NILFS_MOUNT_##opt)
#define nilfs_test_opt(nilfs, opt) ((nilfs)->ns_mount_opt & NILFS_MOUNT_##opt)
#define nilfs_write_opt(nilfs, mask, opt) \
- do { (nilfs)->ns_mount_opt = \
+ ((nilfs)->ns_mount_opt = \
(((nilfs)->ns_mount_opt & ~NILFS_MOUNT_##mask) | \
- NILFS_MOUNT_##opt); \
- } while (0)
+ NILFS_MOUNT_##opt)) \
/**
* struct nilfs_root - nilfs root object
@@ -273,6 +268,7 @@ struct nilfs_root {
static inline int nilfs_sb_need_update(struct the_nilfs *nilfs)
{
u64 t = get_seconds();
+
return t < nilfs->ns_sbwtime ||
t > nilfs->ns_sbwtime + nilfs->ns_sb_update_freq;
}
@@ -280,6 +276,7 @@ static inline int nilfs_sb_need_update(struct the_nilfs *nilfs)
static inline int nilfs_sb_will_flip(struct the_nilfs *nilfs)
{
int flip_bits = nilfs->ns_sbwcount & 0x0FL;
+
return (flip_bits != 0x08 && flip_bits != 0x0F);
}
@@ -308,7 +305,7 @@ static inline void nilfs_get_root(struct nilfs_root *root)
static inline int nilfs_valid_fs(struct the_nilfs *nilfs)
{
- unsigned valid_fs;
+ unsigned int valid_fs;
down_read(&nilfs->ns_sem);
valid_fs = (nilfs->ns_mount_state & NILFS_VALID_FS);