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| author | Chris Mason <chris.mason@oracle.com> | 2008-01-18 10:54:22 -0500 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:59 -0400 |
| commit | e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517 (patch) | |
| tree | c8419f7fde6690cd352252af89295511650e3707 /fs/btrfs/disk-io.c | |
| parent | 04005cc7a1feef94237204566ccac38571af7991 (diff) | |
| download | lwn-e18e4809b10e6c9efb5fe10c1ddcb4ebb690d517.tar.gz lwn-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/disk-io.c')
| -rw-r--r-- | fs/btrfs/disk-io.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 731a534f81f5..5d1f9bca2712 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -193,6 +193,7 @@ int csum_dirty_buffer(struct btrfs_root *root, struct page *page) } eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS); read_extent_buffer_pages(tree, eb, start + PAGE_CACHE_SIZE, 1); + btrfs_clear_buffer_defrag(eb); found_start = btrfs_header_bytenr(eb); if (found_start != start) { printk("warning: eb start incorrect %Lu buffer %Lu len %lu\n", @@ -676,6 +677,8 @@ struct btrfs_root *open_ctree(struct super_block *sb) fs_info->do_barriers = 1; fs_info->closing = 0; fs_info->total_pinned = 0; + fs_info->last_alloc = 0; + #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,18) INIT_WORK(&fs_info->trans_work, btrfs_transaction_cleaner, fs_info); #else |