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authorJoel Becker <joel.becker@oracle.com>2009-02-11 07:00:41 +0300
committerJoel Becker <joel.becker@oracle.com>2009-09-05 03:07:48 +0400
commit8cb471e8f82506937fe5e2e9fb0bf90f6b1f1170 (patch)
treee275a8f5db101a9990ba44931cfd116123112b11 /fs/ocfs2/uptodate.h
parent6e5a3d7538ad4e46a976862f593faf65750e37cc (diff)
downloadlinux-8cb471e8f82506937fe5e2e9fb0bf90f6b1f1170.tar.xz
ocfs2: Take the inode out of the metadata read/write paths.
We are really passing the inode into the ocfs2_read/write_blocks() functions to get at the metadata cache. This commit passes the cache directly into the metadata block functions, divorcing them from the inode. Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/uptodate.h')
-rw-r--r--fs/ocfs2/uptodate.h21
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/ocfs2/uptodate.h b/fs/ocfs2/uptodate.h
index 3b33eb88d320..f268273d6516 100644
--- a/fs/ocfs2/uptodate.h
+++ b/fs/ocfs2/uptodate.h
@@ -38,6 +38,8 @@ struct ocfs2_caching_operations {
*/
u64 (*co_owner)(struct ocfs2_caching_info *ci);
+ /* The superblock is needed during I/O. */
+ struct super_block *(*co_get_super)(struct ocfs2_caching_info *ci);
/*
* Lock and unlock the caching data. These will not sleep, and
* should probably be spinlocks.
@@ -58,20 +60,25 @@ void exit_ocfs2_uptodate_cache(void);
void ocfs2_metadata_cache_init(struct ocfs2_caching_info *ci,
const struct ocfs2_caching_operations *ops);
-void ocfs2_metadata_cache_purge(struct inode *inode);
+void ocfs2_metadata_cache_purge(struct ocfs2_caching_info *ci);
-int ocfs2_buffer_uptodate(struct inode *inode,
+u64 ocfs2_metadata_cache_owner(struct ocfs2_caching_info *ci);
+struct super_block *ocfs2_metadata_cache_get_super(struct ocfs2_caching_info *ci);
+void ocfs2_metadata_cache_io_lock(struct ocfs2_caching_info *ci);
+void ocfs2_metadata_cache_io_unlock(struct ocfs2_caching_info *ci);
+
+int ocfs2_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
-void ocfs2_set_buffer_uptodate(struct inode *inode,
+void ocfs2_set_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
-void ocfs2_set_new_buffer_uptodate(struct inode *inode,
+void ocfs2_set_new_buffer_uptodate(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
-void ocfs2_remove_from_cache(struct inode *inode,
+void ocfs2_remove_from_cache(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
-void ocfs2_remove_xattr_clusters_from_cache(struct inode *inode,
+void ocfs2_remove_xattr_clusters_from_cache(struct ocfs2_caching_info *ci,
sector_t block,
u32 c_len);
-int ocfs2_buffer_read_ahead(struct inode *inode,
+int ocfs2_buffer_read_ahead(struct ocfs2_caching_info *ci,
struct buffer_head *bh);
#endif /* OCFS2_UPTODATE_H */