If we had to retry on the profiles seqlock (due to a concurrent write), we
would set bits on the input flags that corresponded both to the current
profile and to previous values of the profile.
Signed-off-by: Filipe David Borba Manana <fdman...@gmail.com>
---
fs/btrfs/extent-tree.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 678cb35..5590af9 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3543,11 +3543,13 @@ static u64 btrfs_reduce_alloc_profile(struct btrfs_root
*root, u64 flags)
return extended_to_chunk(flags | tmp);
}
-static u64 get_alloc_profile(struct btrfs_root *root, u64 flags)
+static u64 get_alloc_profile(struct btrfs_root *root, u64 orig_flags)
{
unsigned seq;
+ u64 flags;
do {
+ flags = orig_flags;
seq = read_seqbegin(&root->fs_info->profiles_lock);
if (flags & BTRFS_BLOCK_GROUP_DATA)
--
1.9.1
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