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| author | Chris Mason <chris.mason@oracle.com> | 2007-03-27 09:16:29 -0400 |
|---|---|---|
| committer | David Woodhouse <dwmw2@hera.kernel.org> | 2007-03-27 09:16:29 -0400 |
| commit | 71951f35a6e413f2bfbd41829af8cf10a890aeb6 (patch) | |
| tree | eef4dd2ab8dd6af6353c9600b6613b8ca50691c4 /fs/btrfs/ctree.h | |
| parent | 9a6f11ed8f421fb1cc7b37390e32316ff4701f5d (diff) | |
| download | lwn-71951f35a6e413f2bfbd41829af8cf10a890aeb6.tar.gz lwn-71951f35a6e413f2bfbd41829af8cf10a890aeb6.zip | |
Btrfs: add generation field to file extent
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index a4ad39b58a4b..c3fa12a6b59e 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -192,6 +192,7 @@ struct btrfs_root_item { } __attribute__ ((__packed__)); struct btrfs_file_extent_item { + __le64 generation; /* * disk space consumed by the extent, checksum blocks are included * in these numbers @@ -764,6 +765,18 @@ static inline void btrfs_set_file_extent_disk_blocknr(struct e->disk_blocknr = cpu_to_le64(val); } +static inline u64 btrfs_file_extent_generation(struct btrfs_file_extent_item *e) +{ + return le64_to_cpu(e->generation); +} + +static inline void btrfs_set_file_extent_generation(struct + btrfs_file_extent_item *e, + u64 val) +{ + e->generation = cpu_to_le64(val); +} + static inline u64 btrfs_file_extent_disk_num_blocks(struct btrfs_file_extent_item *e) { |