From bcf3a3e7fb55f9238bc848147316317d099c2048 Mon Sep 17 00:00:00 2001 From: Nikolay Borisov Date: Mon, 5 Feb 2018 10:41:15 +0200 Subject: [PATCH] btrfs: Remove code referencing unused TRANS_USERSPACE Now that the userspace transaction ioctls have been removed, TRANS_USERSPACE is no longer used hence we can remove it. Signed-off-by: Nikolay Borisov Signed-off-by: David Sterba --- fs/btrfs/transaction.c | 27 ++++++--------------------- fs/btrfs/transaction.h | 6 +----- 2 files changed, 7 insertions(+), 26 deletions(-) diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 17978fd..34efc97 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -37,22 +37,16 @@ static const unsigned int btrfs_blocked_trans_types[TRANS_STATE_MAX] = { [TRANS_STATE_RUNNING] = 0U, - [TRANS_STATE_BLOCKED] = (__TRANS_USERSPACE | - __TRANS_START), - [TRANS_STATE_COMMIT_START] = (__TRANS_USERSPACE | - __TRANS_START | - __TRANS_ATTACH), - [TRANS_STATE_COMMIT_DOING] = (__TRANS_USERSPACE | - __TRANS_START | + [TRANS_STATE_BLOCKED] = __TRANS_START, + [TRANS_STATE_COMMIT_START] = (__TRANS_START | __TRANS_ATTACH), + [TRANS_STATE_COMMIT_DOING] = (__TRANS_START | __TRANS_ATTACH | __TRANS_JOIN), - [TRANS_STATE_UNBLOCKED] = (__TRANS_USERSPACE | - __TRANS_START | + [TRANS_STATE_UNBLOCKED] = (__TRANS_START | __TRANS_ATTACH | __TRANS_JOIN | __TRANS_JOIN_NOLOCK), - [TRANS_STATE_COMPLETED] = (__TRANS_USERSPACE | - __TRANS_START | + [TRANS_STATE_COMPLETED] = (__TRANS_START | __TRANS_ATTACH | __TRANS_JOIN | __TRANS_JOIN_NOLOCK), @@ -449,9 +443,6 @@ static int may_wait_transaction(struct btrfs_fs_info *fs_info, int type) if (test_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags)) return 0; - if (type == TRANS_USERSPACE) - return 1; - if (type == TRANS_START && !atomic_read(&fs_info->open_ioctl_trans)) return 1; @@ -593,7 +584,7 @@ again: got_it: btrfs_record_root_in_trans(h, root); - if (!current->journal_info && type != TRANS_USERSPACE) + if (!current->journal_info) current->journal_info = h; return h; @@ -670,12 +661,6 @@ struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root BTRFS_RESERVE_NO_FLUSH, true); } -struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root) -{ - return start_transaction(root, 0, TRANS_USERSPACE, - BTRFS_RESERVE_NO_FLUSH, true); -} - /* * btrfs_attach_transaction() - catch the running transaction * diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 2762c8d..b6c94ce 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -105,21 +105,18 @@ struct btrfs_transaction { #define __TRANS_FREEZABLE (1U << 0) -#define __TRANS_USERSPACE (1U << 8) #define __TRANS_START (1U << 9) #define __TRANS_ATTACH (1U << 10) #define __TRANS_JOIN (1U << 11) #define __TRANS_JOIN_NOLOCK (1U << 12) #define __TRANS_DUMMY (1U << 13) -#define TRANS_USERSPACE (__TRANS_USERSPACE | __TRANS_FREEZABLE) #define TRANS_START (__TRANS_START | __TRANS_FREEZABLE) #define TRANS_ATTACH (__TRANS_ATTACH) #define TRANS_JOIN (__TRANS_JOIN | __TRANS_FREEZABLE) #define TRANS_JOIN_NOLOCK (__TRANS_JOIN_NOLOCK) -#define TRANS_EXTWRITERS (__TRANS_USERSPACE | __TRANS_START | \ - __TRANS_ATTACH) +#define TRANS_EXTWRITERS (__TRANS_START | __TRANS_ATTACH) #define BTRFS_SEND_TRANS_STUB ((void *)1) @@ -207,7 +204,6 @@ struct btrfs_trans_handle *btrfs_join_transaction_nolock(struct btrfs_root *root struct btrfs_trans_handle *btrfs_attach_transaction(struct btrfs_root *root); struct btrfs_trans_handle *btrfs_attach_transaction_barrier( struct btrfs_root *root); -struct btrfs_trans_handle *btrfs_start_ioctl_transaction(struct btrfs_root *root); int btrfs_wait_for_commit(struct btrfs_fs_info *fs_info, u64 transid); void btrfs_add_dead_root(struct btrfs_root *root); -- 2.7.4