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| author | Darrick J. Wong | 2016-10-03 18:11:32 +0200 |
|---|---|---|
| committer | Darrick J. Wong | 2016-10-05 03:06:40 +0200 |
| commit | 3993baeb3c52f497d243a4a3b5510df97b22596b (patch) | |
| tree | 2dab55892137a064012b352a0f9ac730797221fb /fs/xfs/xfs_inode.h | |
| parent | xfs: don't allow reflinked dir/dev/fifo/socket/pipe files (diff) | |
| download | kernel-qcow2-linux-3993baeb3c52f497d243a4a3b5510df97b22596b.tar.gz kernel-qcow2-linux-3993baeb3c52f497d243a4a3b5510df97b22596b.tar.xz kernel-qcow2-linux-3993baeb3c52f497d243a4a3b5510df97b22596b.zip | |
xfs: introduce the CoW fork
Introduce a new in-core fork for storing copy-on-write delalloc
reservations and allocated extents that are in the process of being
written out.
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 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index 4be32036e16a..ff6fc03c0092 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -47,6 +47,7 @@ typedef struct xfs_inode { /* Extent information. */ xfs_ifork_t *i_afp; /* attribute fork pointer */ + xfs_ifork_t *i_cowfp; /* copy on write extents */ xfs_ifork_t i_df; /* data fork */ /* operations vectors */ @@ -65,6 +66,9 @@ typedef struct xfs_inode { struct xfs_icdinode i_d; /* most of ondisk inode */ + xfs_extnum_t i_cnextents; /* # of extents in cow fork */ + unsigned int i_cformat; /* format of cow fork */ + /* VFS inode */ struct inode i_vnode; /* embedded VFS inode */ } xfs_inode_t; |