This series introduces async discard which will use the flag
DISCARD_ASYNC, so rename the original flag to DISCARD_SYNC as it is
synchronously done in transaction commit.

Signed-off-by: Dennis Zhou <[email protected]>
---
 fs/btrfs/block-group.c | 2 +-
 fs/btrfs/ctree.h       | 2 +-
 fs/btrfs/extent-tree.c | 4 ++--
 fs/btrfs/super.c       | 8 ++++----
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c
index bf7e3f23bba7..afe86028246a 100644
--- a/fs/btrfs/block-group.c
+++ b/fs/btrfs/block-group.c
@@ -1365,7 +1365,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info 
*fs_info)
                spin_unlock(&space_info->lock);
 
                /* DISCARD can flip during remount */
-               trimming = btrfs_test_opt(fs_info, DISCARD);
+               trimming = btrfs_test_opt(fs_info, DISCARD_SYNC);
 
                /* Implicit trim during transaction commit. */
                if (trimming)
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 19d669d12ca1..1877586576aa 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1171,7 +1171,7 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct 
btrfs_fs_info *info)
 #define BTRFS_MOUNT_FLUSHONCOMMIT       (1 << 7)
 #define BTRFS_MOUNT_SSD_SPREAD         (1 << 8)
 #define BTRFS_MOUNT_NOSSD              (1 << 9)
-#define BTRFS_MOUNT_DISCARD            (1 << 10)
+#define BTRFS_MOUNT_DISCARD_SYNC       (1 << 10)
 #define BTRFS_MOUNT_FORCE_COMPRESS      (1 << 11)
 #define BTRFS_MOUNT_SPACE_CACHE                (1 << 12)
 #define BTRFS_MOUNT_CLEAR_CACHE                (1 << 13)
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 49cb26fa7c63..77a5904756c5 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2903,7 +2903,7 @@ int btrfs_finish_extent_commit(struct btrfs_trans_handle 
*trans)
                        break;
                }
 
-               if (btrfs_test_opt(fs_info, DISCARD))
+               if (btrfs_test_opt(fs_info, DISCARD_SYNC))
                        ret = btrfs_discard_extent(fs_info, start,
                                                   end + 1 - start, NULL);
 
@@ -4146,7 +4146,7 @@ static int __btrfs_free_reserved_extent(struct 
btrfs_fs_info *fs_info,
        if (pin)
                pin_down_extent(cache, start, len, 1);
        else {
-               if (btrfs_test_opt(fs_info, DISCARD))
+               if (btrfs_test_opt(fs_info, DISCARD_SYNC))
                        ret = btrfs_discard_extent(fs_info, start, len, NULL);
                btrfs_add_free_space(cache, start, len);
                btrfs_free_reserved_bytes(cache, len, delalloc);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 1b151af25772..a02fece949cb 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -695,11 +695,11 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char 
*options,
                                   info->metadata_ratio);
                        break;
                case Opt_discard:
-                       btrfs_set_and_info(info, DISCARD,
-                                          "turning on discard");
+                       btrfs_set_and_info(info, DISCARD_SYNC,
+                                          "turning on sync discard");
                        break;
                case Opt_nodiscard:
-                       btrfs_clear_and_info(info, DISCARD,
+                       btrfs_clear_and_info(info, DISCARD_SYNC,
                                             "turning off discard");
                        break;
                case Opt_space_cache:
@@ -1322,7 +1322,7 @@ static int btrfs_show_options(struct seq_file *seq, 
struct dentry *dentry)
                seq_puts(seq, ",nologreplay");
        if (btrfs_test_opt(info, FLUSHONCOMMIT))
                seq_puts(seq, ",flushoncommit");
-       if (btrfs_test_opt(info, DISCARD))
+       if (btrfs_test_opt(info, DISCARD_SYNC))
                seq_puts(seq, ",discard");
        if (!(info->sb->s_flags & SB_POSIXACL))
                seq_puts(seq, ",noacl");
-- 
2.17.1

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