diff options
| author | Josef Bacik <josef@toxicpanda.com> | 2023-11-22 12:17:51 -0500 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-12-15 20:27:04 +0100 |
| commit | 41d46b290ef9b5563ae5b3c46cf86e0ae1e4bf95 (patch) | |
| tree | b770a22268451e5784a58278245aa820570b5480 /fs/btrfs/super.c | |
| parent | ad21f15b0f795daf8723dddbcb61797d4f1c2aed (diff) | |
btrfs: move the device specific mount options to super.c
We add these mount options based on the fs_devices settings, which can
be set once we've opened the fs_devices. Move these into their own
helper and call it from get_tree_super.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4ff26c00eebe..4cb9d35d71f8 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -828,6 +828,29 @@ void btrfs_set_free_space_cache_settings(struct btrfs_fs_info *fs_info) btrfs_set_opt(fs_info->mount_opt, SPACE_CACHE); } +static void set_device_specific_options(struct btrfs_fs_info *fs_info) +{ + if (!btrfs_test_opt(fs_info, NOSSD) && + !fs_info->fs_devices->rotating) + btrfs_set_opt(fs_info->mount_opt, SSD); + + /* + * For devices supporting discard turn on discard=async automatically, + * unless it's already set or disabled. This could be turned off by + * nodiscard for the same mount. + * + * The zoned mode piggy backs on the discard functionality for + * resetting a zone. There is no reason to delay the zone reset as it is + * fast enough. So, do not enable async discard for zoned mode. + */ + if (!(btrfs_test_opt(fs_info, DISCARD_SYNC) || + btrfs_test_opt(fs_info, DISCARD_ASYNC) || + btrfs_test_opt(fs_info, NODISCARD)) && + fs_info->fs_devices->discardable && + !btrfs_is_zoned(fs_info)) + btrfs_set_opt(fs_info->mount_opt, DISCARD_ASYNC); +} + static int parse_rescue_options(struct btrfs_fs_info *info, const char *options) { char *opts; @@ -2876,6 +2899,8 @@ static int btrfs_get_tree_super(struct fs_context *fc) goto error; } + set_device_specific_options(fs_info); + if (sb->s_root) { btrfs_close_devices(fs_devices); if ((fc->sb_flags ^ sb->s_flags) & SB_RDONLY) |