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author | Joel Becker <joel.becker@oracle.com> | 2009-02-10 19:00:37 -0800 |
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committer | Joel Becker <joel.becker@oracle.com> | 2009-09-04 16:07:48 -0700 |
commit | 6e5a3d7538ad4e46a976862f593faf65750e37cc (patch) | |
tree | e87ce6d69bdbcce23eed0a195a7f80a59c01d3d9 /fs/ocfs2/inode.c | |
parent | 47460d65a483529b3bc2bf6ccf461ad45f94df83 (diff) | |
download | linux-6e5a3d7538ad4e46a976862f593faf65750e37cc.tar.bz2 |
ocfs2: Change metadata caching locks to an operations structure.
We don't really want to cart around too many new fields on the
ocfs2_caching_info structure. So let's wrap all our access of the
parent object in a set of operations. One pointer on caching_info, and
more flexibility to boot.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/inode.c')
-rw-r--r-- | fs/ocfs2/inode.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c index 8ec80445d18c..36bb588f8fcb 100644 --- a/fs/ocfs2/inode.c +++ b/fs/ocfs2/inode.c @@ -1395,3 +1395,52 @@ int ocfs2_read_inode_block(struct inode *inode, struct buffer_head **bh) { return ocfs2_read_inode_block_full(inode, bh, 0); } + +static struct ocfs2_inode_info *cache_info_to_inode(struct ocfs2_caching_info *ci) +{ + return container_of(ci, struct ocfs2_inode_info, ip_metadata_cache); +} + +static u64 ocfs2_inode_cache_owner(struct ocfs2_caching_info *ci) +{ + struct ocfs2_inode_info *oi = cache_info_to_inode(ci); + + return oi->ip_blkno; +} + +static void ocfs2_inode_cache_lock(struct ocfs2_caching_info *ci) +{ + struct ocfs2_inode_info *oi = cache_info_to_inode(ci); + + spin_lock(&oi->ip_lock); +} + +static void ocfs2_inode_cache_unlock(struct ocfs2_caching_info *ci) +{ + struct ocfs2_inode_info *oi = cache_info_to_inode(ci); + + spin_unlock(&oi->ip_lock); +} + +static void ocfs2_inode_cache_io_lock(struct ocfs2_caching_info *ci) +{ + struct ocfs2_inode_info *oi = cache_info_to_inode(ci); + + mutex_lock(&oi->ip_io_mutex); +} + +static void ocfs2_inode_cache_io_unlock(struct ocfs2_caching_info *ci) +{ + struct ocfs2_inode_info *oi = cache_info_to_inode(ci); + + mutex_unlock(&oi->ip_io_mutex); +} + +const struct ocfs2_caching_operations ocfs2_inode_caching_ops = { + .co_owner = ocfs2_inode_cache_owner, + .co_cache_lock = ocfs2_inode_cache_lock, + .co_cache_unlock = ocfs2_inode_cache_unlock, + .co_io_lock = ocfs2_inode_cache_io_lock, + .co_io_unlock = ocfs2_inode_cache_io_unlock, +}; + |