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btrfs: rename DISCARD mount option to to DISCARD_SYNC

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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.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dennis Zhou <dennis@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Dennis Zhou 2019-12-13 16:22:11 -08:00 committed by David Sterba
parent e837dfde15
commit 46b27f5059
5 changed files with 8 additions and 8 deletions
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2
fs/btrfs/block-group.c
View File

@ -1349,7 +1349,7 @@ 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)

2
fs/btrfs/ctree.h
View File

@ -1170,7 +1170,7 @@ 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)

2
fs/btrfs/extent-tree.c
View File

@ -2923,7 +2923,7 @@ 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);

2
fs/btrfs/inode.c
View File

@ -2584,7 +2584,7 @@ out:
* Discard the range before returning it back to the
* free space pool
*/
if (ret && btrfs_test_opt(fs_info, DISCARD))
if (ret && btrfs_test_opt(fs_info, DISCARD_SYNC))
btrfs_discard_extent(fs_info,
ordered_extent->disk_bytenr,
ordered_extent->disk_num_bytes,

8
fs/btrfs/super.c
View File

@ -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");