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authorChris Mason <chris.mason@oracle.com>2008-01-18 16:54:22 +0100
committerChris Mason <chris.mason@oracle.com>2008-09-25 17:03:59 +0200
commite18e4809b10e6c9efb5fe10c1ddcb4ebb690d517 (patch)
treec8419f7fde6690cd352252af89295511650e3707 /fs/btrfs/tree-defrag.c
parentBtrfs: Use blk_congestion_wait on older kernels (diff)
downloadlinux-e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517.tar.xz
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/tree-defrag.c')
-rw-r--r--fs/btrfs/tree-defrag.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c
index 5c58630dce03..5935cbd8f2b8 100644
--- a/fs/btrfs/tree-defrag.c
+++ b/fs/btrfs/tree-defrag.c
@@ -179,6 +179,9 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans,
if (root->ref_cows == 0 && !is_extent)
goto out;
+ if (btrfs_test_opt(root, SSD))
+ goto out;
+
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;