btrfs: send: remove virtual_mem member from fs_path

We don't need to keep track of that, it's available via is_vmalloc_addr.

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 851ebfd43aa7..5b9b82b32cde 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -55,7 +55,6 @@ struct fs_path {
                         char *buf;
                         int buf_len;
                         unsigned int reversed:1;
-                        unsigned int virtual_mem:1;
                         char inline_buf[];
                 };
                 char pad[PAGE_SIZE];
@@ -241,7 +240,6 @@ static struct fs_path *fs_path_alloc(void)
         if (!p)
                 return NULL;
         p->reversed = 0;
-        p->virtual_mem = 0;
         p->buf = p->inline_buf;
         p->buf_len = FS_PATH_INLINE_SIZE;
         fs_path_reset(p);
@@ -265,7 +263,7 @@ static void fs_path_free(struct fs_path *p)
         if (!p)
                 return;
         if (p->buf != p->inline_buf) {
-                if (p->virtual_mem)
+                if (is_vmalloc_addr(p->buf))
                         vfree(p->buf);
                 else
                         kfree(p->buf);
@@ -299,13 +297,12 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
                         tmp_buf = vmalloc(len);
                         if (!tmp_buf)
                                 return -ENOMEM;
-                        p->virtual_mem = 1;
                 }
                 memcpy(tmp_buf, p->buf, p->buf_len);
                 p->buf = tmp_buf;
                 p->buf_len = len;
         } else {
-                if (p->virtual_mem) {
+                if (is_vmalloc_addr(p->buf)) {
                         tmp_buf = vmalloc(len);
                         if (!tmp_buf)
                                 return -ENOMEM;
@@ -319,7 +316,6 @@ static int fs_path_ensure_buf(struct fs_path *p, int len)
                                         return -ENOMEM;
                                 memcpy(tmp_buf, p->buf, p->buf_len);
                                 kfree(p->buf);
-                                p->virtual_mem = 1;
                         }
                 }
                 p->buf = tmp_buf;