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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 07:20:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 07:20:17 -0700
commit03e62303cf56e87337115f14842321043df2b4bb (patch)
tree3024495955beccddbae347d99613bcdd33801ee4 /fs/ocfs2/ocfs2.h
parent33cf23b0a535475aead57707cb9f4fe135a93544 (diff)
parent18d3a98f3c1b0e27ce026afa4d1ef042f2903726 (diff)
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2: (47 commits) ocfs2: Silence a gcc warning. ocfs2: Don't retry xattr set in case value extension fails. ocfs2:dlm: avoid dlm->ast_lock lockres->spinlock dependency break ocfs2: Reset xattr value size after xa_cleanup_value_truncate(). fs/ocfs2/dlm: Use kstrdup fs/ocfs2/dlm: Drop memory allocation cast Ocfs2: Optimize punching-hole code. Ocfs2: Make ocfs2_find_cpos_for_left_leaf() public. Ocfs2: Fix hole punching to correctly do CoW during cluster zeroing. Ocfs2: Optimize ocfs2 truncate to use ocfs2_remove_btree_range() instead. ocfs2: Block signals for mkdir/link/symlink/O_CREAT. ocfs2: Wrap signal blocking in void functions. ocfs2/dlm: Increase o2dlm lockres hash size ocfs2: Make ocfs2_extend_trans() really extend. ocfs2/trivial: Code cleanup for allocation reservation. ocfs2: make ocfs2_adjust_resv_from_alloc simple. ocfs2: Make nointr a default mount option ocfs2/dlm: Make o2dlm domain join/leave messages KERN_NOTICE o2net: log socket state changes ocfs2: print node # when tcp fails ...
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);