path: root/fs/gfs2/inode.h
diff options
authorSteven Whitehouse <swhiteho@redhat.com>2011-04-14 16:50:31 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2011-04-20 09:01:17 +0100
commitf42ab0852946c1fb5103682c5897eb3da908e4b0 (patch)
tree3847b23d2cac6bab422e6e001e0c6d6c66a81f1e /fs/gfs2/inode.h
parentGFS2: Improve tracing support (adds two flags) (diff)
GFS2: Optimise glock lru and end of life inodes
The GLF_LRU flag introduced in the previous patch can be used to check if a glock is on the lru list when a new holder is queued and if so remove it, without having first to get the lru_lock. The main purpose of this patch however is to optimise the glocks left over when an inode at end of life is being evicted. Previously such glocks were left with the GLF_LFLUSH flag set, so that when reclaimed, each one required a log flush. This patch resets the GLF_LFLUSH flag when there is nothing left to flush thus preventing later log flushes as glocks are reused or demoted. In order to do this, we need to keep track of the number of revokes which are outstanding, and also to clear the GLF_LFLUSH bit after a log commit when only revokes have been processed. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/inode.h')
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index 099ca305e518..842346eae836 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -106,7 +106,6 @@ extern struct inode *gfs2_ilookup(struct super_block *sb, u64 no_addr);
extern int gfs2_inode_refresh(struct gfs2_inode *ip);
-extern int gfs2_dinode_dealloc(struct gfs2_inode *inode);
extern int gfs2_change_nlink(struct gfs2_inode *ip, int diff);
extern struct inode *gfs2_lookupi(struct inode *dir, const struct qstr *name,
int is_root);