From 7bf4994304e27454c5cf99de1d43033cb29b34fd Mon Sep 17 00:00:00 2001 From: Dennis Zhou Date: Mon, 4 Feb 2019 15:20:04 -0500 Subject: btrfs: plumb level through the compression interface Zlib compression supports multiple levels, but doesn't require changing in how a workspace itself is created and managed. Zstd introduces a different memory requirement such that higher levels of compression require more memory. This requires changes in how the alloc()/get() methods work for zstd. This pach plumbs compression level through the interface as a parameter in preparation for zstd compression levels. This gives the compression types opportunity to create/manage based on the compression level. Reviewed-by: Nikolay Borisov Reviewed-by: Josef Bacik Signed-off-by: Dennis Zhou Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/zstd.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'fs/btrfs/zstd.c') diff --git a/fs/btrfs/zstd.c b/fs/btrfs/zstd.c index b06eaf171be7..404101864220 100644 --- a/fs/btrfs/zstd.c +++ b/fs/btrfs/zstd.c @@ -53,9 +53,9 @@ static void zstd_cleanup_workspace_manager(void) btrfs_cleanup_workspace_manager(&wsm); } -static struct list_head *zstd_get_workspace(void) +static struct list_head *zstd_get_workspace(unsigned int level) { - return btrfs_get_workspace(&wsm); + return btrfs_get_workspace(&wsm, level); } static void zstd_put_workspace(struct list_head *ws) @@ -72,7 +72,7 @@ static void zstd_free_workspace(struct list_head *ws) kfree(workspace); } -static struct list_head *zstd_alloc_workspace(void) +static struct list_head *zstd_alloc_workspace(unsigned int level) { ZSTD_parameters params = zstd_get_btrfs_parameters(ZSTD_BTRFS_MAX_INPUT); -- cgit v1.2.3