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| author | Chris Mason | 2008-01-18 16:54:22 +0100 |
|---|---|---|
| committer | Chris Mason | 2008-09-25 17:03:59 +0200 |
| commit | e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517 (patch) | |
| tree | c8419f7fde6690cd352252af89295511650e3707 /fs/btrfs/ctree.h | |
| parent | Btrfs: Use blk_congestion_wait on older kernels (diff) | |
| download | kernel-qcow2-linux-e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517.tar.gz kernel-qcow2-linux-e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517.tar.xz kernel-qcow2-linux-e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517.zip | |
Btrfs: Add mount -o ssd, which includes optimizations for seek free storage
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index fa65fe027e45..7a588ba2b747 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -351,6 +351,7 @@ struct btrfs_fs_info { spinlock_t delalloc_lock; spinlock_t new_trans_lock; u64 delalloc_bytes; + u64 last_alloc; }; /* * in ram representation of the tree. extent_root is used for all allocations @@ -444,6 +445,7 @@ struct btrfs_root { #define BTRFS_MOUNT_NODATASUM (1 << 0) #define BTRFS_MOUNT_NODATACOW (1 << 1) #define BTRFS_MOUNT_NOBARRIER (1 << 2) +#define BTRFS_MOUNT_SSD (1 << 3) #define btrfs_clear_opt(o, opt) ((o) &= ~BTRFS_MOUNT_##opt) #define btrfs_set_opt(o, opt) ((o) |= BTRFS_MOUNT_##opt) |