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authorChristoph Hellwig <hch@lst.de>2014-04-23 01:11:51 +0400
committerDave Chinner <david@fromorbit.com>2014-04-23 01:11:51 +0400
commit2cd2ef6a300b1ac912bb515b75451585c3d33ea9 (patch)
treecae34ff7663a57aec71cea7b2a9b3555d70b32c4 /fs/xfs/xfs_filestream.h
parentf37211c336d722805493aec8b13afdbb92bbfd98 (diff)
downloadlinux-2cd2ef6a300b1ac912bb515b75451585c3d33ea9.tar.xz
xfs: rewrite the filestream allocator using the dentry cache
In Linux we will always be able to find a parent inode for file that are undergoing I/O. Use this to simply the file stream allocator by only keeping track of parent inodes. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_filestream.h')
-rw-r--r--fs/xfs/xfs_filestream.h31
1 files changed, 2 insertions, 29 deletions
diff --git a/fs/xfs/xfs_filestream.h b/fs/xfs/xfs_filestream.h
index c4fa9a0cd62f..e3a25f891d08 100644
--- a/fs/xfs/xfs_filestream.h
+++ b/fs/xfs/xfs_filestream.h
@@ -20,44 +20,17 @@
struct xfs_mount;
struct xfs_inode;
-struct xfs_perag;
struct xfs_bmalloca;
-#ifdef XFS_FILESTREAMS_TRACE
-#define XFS_FSTRM_KTRACE_INFO 1
-#define XFS_FSTRM_KTRACE_AGSCAN 2
-#define XFS_FSTRM_KTRACE_AGPICK1 3
-#define XFS_FSTRM_KTRACE_AGPICK2 4
-#define XFS_FSTRM_KTRACE_UPDATE 5
-#define XFS_FSTRM_KTRACE_FREE 6
-#define XFS_FSTRM_KTRACE_ITEM_LOOKUP 7
-#define XFS_FSTRM_KTRACE_ASSOCIATE 8
-#define XFS_FSTRM_KTRACE_MOVEAG 9
-#define XFS_FSTRM_KTRACE_ORPHAN 10
-
-#define XFS_FSTRM_KTRACE_SIZE 16384
-extern ktrace_t *xfs_filestreams_trace_buf;
-
-#endif
-
-/* allocation selection flags */
-typedef enum xfs_fstrm_alloc {
- XFS_PICK_USERDATA = 1,
- XFS_PICK_LOWSPACE = 2,
-} xfs_fstrm_alloc_t;
-
-/* prototypes for filestream.c */
int xfs_filestream_init(void);
void xfs_filestream_uninit(void);
int xfs_filestream_mount(struct xfs_mount *mp);
void xfs_filestream_unmount(struct xfs_mount *mp);
-xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
-int xfs_filestream_associate(struct xfs_inode *dip, struct xfs_inode *ip);
void xfs_filestream_deassociate(struct xfs_inode *ip);
+xfs_agnumber_t xfs_filestream_lookup_ag(struct xfs_inode *ip);
+int xfs_filestream_associate(struct xfs_inode *dip);
int xfs_filestream_new_ag(struct xfs_bmalloca *ap, xfs_agnumber_t *agp);
-
-/* filestreams for the inode? */
static inline int
xfs_inode_is_filestream(
struct xfs_inode *ip)