mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and...

[cascardo/linux.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3915c94..032abfb 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -594,7 +594,7 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
        if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
                clear = 1;
 again:
-       if (!prealloc && (mask & __GFP_WAIT)) {
+       if (!prealloc && gfpflags_allow_blocking(mask)) {
                /*
                 * Don't care for allocation failure here because we might end
                 * up not needing the pre-allocated extent state at all, which
@@ -718,7 +718,7 @@ search_again:
        if (start > end)
                goto out;
        spin_unlock(&tree->lock);
-       if (mask & __GFP_WAIT)
+       if (gfpflags_allow_blocking(mask))
                cond_resched();
        goto again;
 }
@@ -850,7 +850,7 @@ __set_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
 
        bits |= EXTENT_FIRST_DELALLOC;
 again:
-       if (!prealloc && (mask & __GFP_WAIT)) {
+       if (!prealloc && gfpflags_allow_blocking(mask)) {
                prealloc = alloc_extent_state(mask);
                BUG_ON(!prealloc);
        }
@@ -1028,7 +1028,7 @@ search_again:
        if (start > end)
                goto out;
        spin_unlock(&tree->lock);
-       if (mask & __GFP_WAIT)
+       if (gfpflags_allow_blocking(mask))
                cond_resched();
        goto again;
 }
@@ -1076,7 +1076,7 @@ int convert_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
        btrfs_debug_check_extent_io_range(tree, start, end);
 
 again:
-       if (!prealloc && (mask & __GFP_WAIT)) {
+       if (!prealloc && gfpflags_allow_blocking(mask)) {
                /*
                 * Best effort, don't worry if extent state allocation fails
                 * here for the first iteration. We might have a cached state
@@ -1253,7 +1253,7 @@ search_again:
        if (start > end)
                goto out;
        spin_unlock(&tree->lock);
-       if (mask & __GFP_WAIT)
+       if (gfpflags_allow_blocking(mask))
                cond_resched();
        first_iteration = false;
        goto again;
@@ -4319,7 +4319,7 @@ int try_release_extent_mapping(struct extent_map_tree *map,
        u64 start = page_offset(page);
        u64 end = start + PAGE_CACHE_SIZE - 1;
 
-       if ((mask & __GFP_WAIT) &&
+       if (gfpflags_allow_blocking(mask) &&
            page->mapping->host->i_size > 16 * 1024 * 1024) {
                u64 len;
                while (start <= end) {