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authorJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
committerJens Axboe <jens.axboe@oracle.com>2010-05-21 21:27:26 +0200
commitee9a3607fb03e804ddf624544105f4e34260c380 (patch)
treece41b6e0fa10982a306f6c142a92dbf3c9961284 /fs/ocfs2/ocfs2.h
parentpipe: set lower and upper limit on max pages in the pipe page array (diff)
parentMerge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jac... (diff)
downloadlinux-ee9a3607fb03e804ddf624544105f4e34260c380.tar.xz
linux-ee9a3607fb03e804ddf624544105f4e34260c380.zip
Merge branch 'master' into for-2.6.35
Conflicts: fs/ext3/fsync.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'fs/ocfs2/ocfs2.h')
-rw-r--r--fs/ocfs2/ocfs2.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index adf5e2ebc2c4..c67003b6b5a2 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -47,6 +47,7 @@
/* For struct ocfs2_blockcheck_stats */
#include "blockcheck.h"
+#include "reservations.h"
/* Caching of metadata buffers */
@@ -341,6 +342,9 @@ struct ocfs2_super
*/
unsigned int local_alloc_bits;
unsigned int local_alloc_default_bits;
+ /* osb_clusters_at_boot can become stale! Do not trust it to
+ * be up to date. */
+ unsigned int osb_clusters_at_boot;
enum ocfs2_local_alloc_state local_alloc_state; /* protected
* by osb_lock */
@@ -349,6 +353,11 @@ struct ocfs2_super
u64 la_last_gd;
+ struct ocfs2_reservation_map osb_la_resmap;
+
+ unsigned int osb_resv_level;
+ unsigned int osb_dir_resv_level;
+
/* Next three fields are for local node slot recovery during
* mount. */
int dirty;
@@ -482,6 +491,13 @@ static inline int ocfs2_supports_indexed_dirs(struct ocfs2_super *osb)
return 0;
}
+static inline int ocfs2_supports_discontig_bg(struct ocfs2_super *osb)
+{
+ if (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_DISCONTIG_BG)
+ return 1;
+ return 0;
+}
+
static inline unsigned int ocfs2_link_max(struct ocfs2_super *osb)
{
if (ocfs2_supports_indexed_dirs(osb))
@@ -763,6 +779,12 @@ static inline unsigned int ocfs2_megabytes_to_clusters(struct super_block *sb,
return megs << (20 - OCFS2_SB(sb)->s_clustersize_bits);
}
+static inline unsigned int ocfs2_clusters_to_megabytes(struct super_block *sb,
+ unsigned int clusters)
+{
+ return clusters >> (20 - OCFS2_SB(sb)->s_clustersize_bits);
+}
+
static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap)
{
ext2_set_bit(bit, bitmap);