search for: ioprio_prio_value

.../fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ec42a24..e6f772d 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -173,6 +173,9 @@ static int btrfs_csum_sizes[] = { 4, 0 }; #define BTRFS_FT_XATTR 8 #define BTRFS_FT_MAX 9 +/* ioprio of readahead is set to idle */ +#define BTRFS_IOPRIO_READA (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)) + /* * The key defines the order in the tree, and so it also defines (optimal) * block layout. diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index ac5d010..48a4882 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -718,13 +718,18 @@ static void reada_start_machi...

...ude <sys/socket.h> #include <sys/un.h> +#include <sys/syscall.h> #include <poll.h> #include <sys/file.h> #include <uuid/uuid.h> @@ -52,6 +53,11 @@ struct scrub_stats { u64 canceled; }; +#define IOPRIO_WHO_PROCESS 1 +#define IOPRIO_CLASS_SHIFT 13 +#define IOPRIO_PRIO_VALUE(class, data) \ + (((class) << IOPRIO_CLASS_SHIFT) | (data)) + struct scrub_progress { struct btrfs_ioctl_scrub_args scrub_args; int fd; @@ -61,6 +67,8 @@ struct scrub_progress { struct scrub_file_record *resumed; int ioctl_errno; pthread_mutex_t progress_mutex; + int ioprio_class;...

...hanged, 34 insertions(+), 8 deletions(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 547b7b0..a62f20c 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -191,6 +191,9 @@ static int btrfs_csum_sizes[] = { 4, 0 }; /* ioprio of readahead is set to idle */ #define BTRFS_IOPRIO_READA (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)) +/* Default value for maximum compressed extent size (kb) */ +#define BTRFS_DEFAULT_MAX_COMPR_EXTENTS 128 + /* * The key defines the order in the tree, and so it also defines (optimal) * block layout. @@ -1477,6 +1480,8 @@ struct btrfs_fs_info { unsigned data_chunk_a...