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| author | Mark Fasheh | 2007-06-18 19:48:04 +0200 |
|---|---|---|
| committer | Mark Fasheh | 2007-07-11 02:32:00 +0200 |
| commit | 328d5752e1259dfb29b7e65f6c2d145fddbaa750 (patch) | |
| tree | 08198271a0382cafcc4c0de2fc1efcf35cb400af /fs/ocfs2/endian.h | |
| parent | ocfs2: abstract btree growing calls (diff) | |
| download | kernel-qcow2-linux-328d5752e1259dfb29b7e65f6c2d145fddbaa750.tar.gz kernel-qcow2-linux-328d5752e1259dfb29b7e65f6c2d145fddbaa750.tar.xz kernel-qcow2-linux-328d5752e1259dfb29b7e65f6c2d145fddbaa750.zip | |
ocfs2: btree changes for unwritten extents
Writes to a region marked as unwritten might result in a record split or
merge. We can support splits by making minor changes to the existing insert
code. Merges require left rotations which mostly re-use right rotation
support functions.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/endian.h')
| -rw-r--r-- | fs/ocfs2/endian.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/ocfs2/endian.h b/fs/ocfs2/endian.h index f226b2207628..ff257628af16 100644 --- a/fs/ocfs2/endian.h +++ b/fs/ocfs2/endian.h @@ -32,6 +32,11 @@ static inline void le32_add_cpu(__le32 *var, u32 val) *var = cpu_to_le32(le32_to_cpu(*var) + val); } +static inline void le64_add_cpu(__le64 *var, u64 val) +{ + *var = cpu_to_le64(le64_to_cpu(*var) + val); +} + static inline void le32_and_cpu(__le32 *var, u32 val) { *var = cpu_to_le32(le32_to_cpu(*var) & val); |