diff options
| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:49 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-05 16:26:31 -0700 |
| commit | e153aa7990a09a8a12860fc1f79304b02a6bc03f (patch) | |
| tree | 0ca05546c457d768ae50412583cddd70fb0e3c89 /fs/xfs/xfs_inode.h | |
| parent | 3f165b334e51477d2b33ac1c81b39927514daab7 (diff) | |
xfs: set a default CoW extent size of 32 blocks
If the admin doesn't set a CoW extent size or a regular extent size
hint, default to creating CoW reservations 32 blocks long to reduce
fragmentation.
Signed-off-by: DarricK J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_inode.h')
| -rw-r--r-- | fs/xfs/xfs_inode.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 6d63dc031127..f14c1de2549d 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -490,4 +490,7 @@ do { \ extern struct kmem_zone *xfs_inode_zone; +/* The default CoW extent size hint. */ +#define XFS_DEFAULT_COWEXTSZ_HINT 32 + #endif /* __XFS_INODE_H__ */ |