diff options
| author | Christoph Hellwig <hch@lst.de> | 2014-04-23 07:11:51 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-04-23 07:11:51 +1000 |
| commit | 2cd2ef6a300b1ac912bb515b75451585c3d33ea9 (patch) | |
| tree | cae34ff7663a57aec71cea7b2a9b3555d70b32c4 /fs/xfs/xfs_filestream.h | |
| parent | f37211c336d722805493aec8b13afdbb92bbfd98 (diff) | |
| download | linux-2cd2ef6a300b1ac912bb515b75451585c3d33ea9.tar.gz linux-2cd2ef6a300b1ac912bb515b75451585c3d33ea9.tar.bz2 linux-2cd2ef6a300b1ac912bb515b75451585c3d33ea9.zip | |
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.h | 31 |
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) |