diff options
Diffstat (limited to 'fs/ocfs2/cluster')
| -rw-r--r-- | fs/ocfs2/cluster/heartbeat.c | 8 | ||||
| -rw-r--r-- | fs/ocfs2/cluster/tcp_internal.h | 8 |
2 files changed, 13 insertions, 3 deletions
diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 504595d6cf65..305cba3681fe 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -320,8 +320,12 @@ static int compute_max_sectors(struct block_device *bdev) max_pages = q->max_hw_segments; max_pages--; /* Handle I/Os that straddle a page */ - max_sectors = max_pages << (PAGE_SHIFT - 9); - + if (max_pages) { + max_sectors = max_pages << (PAGE_SHIFT - 9); + } else { + /* If BIO contains 1 or less than 1 page. */ + max_sectors = q->max_sectors; + } /* Why is fls() 1-based???? */ pow_two_sectors = 1 << (fls(max_sectors) - 1); diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h index ff9e2e2104c2..4b46aac7d243 100644 --- a/fs/ocfs2/cluster/tcp_internal.h +++ b/fs/ocfs2/cluster/tcp_internal.h @@ -44,11 +44,17 @@ * locking semantics of the file system using the protocol. It should * be somewhere else, I'm sure, but right now it isn't. * + * New in version 4: + * - Remove i_generation from lock names for better stat performance. + * + * New in version 3: + * - Replace dentry votes with a cluster lock + * * New in version 2: * - full 64 bit i_size in the metadata lock lvbs * - introduction of "rw" lock and pushing meta/data locking down */ -#define O2NET_PROTOCOL_VERSION 2ULL +#define O2NET_PROTOCOL_VERSION 4ULL struct o2net_handshake { __be64 protocol_version; __be64 connector_id; |