Signed-off-by: David Sterba <dste...@suse.com>
---
 fs/btrfs/inode.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bc547608ff1a..9533a516bace 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -432,8 +432,6 @@ static noinline void compress_file_range(struct inode 
*inode,
        unsigned long nr_pages;
        unsigned long total_compressed = 0;
        unsigned long total_in = 0;
-       unsigned long max_compressed = SZ_128K;
-       unsigned long max_uncompressed = SZ_128K;
        int i;
        int will_compress;
        int compress_type = fs_info->compress_type;
@@ -445,7 +443,9 @@ static noinline void compress_file_range(struct inode 
*inode,
 again:
        will_compress = 0;
        nr_pages = (end >> PAGE_SHIFT) - (start >> PAGE_SHIFT) + 1;
-       nr_pages = min_t(unsigned long, nr_pages, SZ_128K / PAGE_SIZE);
+       BUILD_BUG_ON((BTRFS_MAX_COMPRESSED % PAGE_SIZE) != 0);
+       nr_pages = min_t(unsigned long, nr_pages,
+                       BTRFS_MAX_COMPRESSED / PAGE_SIZE);
 
        /*
         * we don't want to send crud past the end of i_size through
@@ -470,7 +470,8 @@ static noinline void compress_file_range(struct inode 
*inode,
           (start > 0 || end + 1 < BTRFS_I(inode)->disk_i_size))
                goto cleanup_and_bail_uncompressed;
 
-       total_compressed = min(total_compressed, max_uncompressed);
+       total_compressed = min_t(unsigned long, total_compressed,
+                       BTRFS_MAX_UNCOMPRESSED);
        num_bytes = ALIGN(end - start + 1, blocksize);
        num_bytes = max(blocksize,  num_bytes);
        total_in = 0;
@@ -509,7 +510,7 @@ static noinline void compress_file_range(struct inode 
*inode,
                                           &nr_pages,
                                           &total_in,
                                           &total_compressed,
-                                          max_compressed);
+                                          BTRFS_MAX_COMPRESSED);
 
                if (!ret) {
                        unsigned long offset = total_compressed &
-- 
2.10.1

--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to