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author | Chris Mason <clm@fb.com> | 2014-10-04 18:57:44 +0200 |
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committer | Chris Mason <clm@fb.com> | 2014-10-04 18:57:44 +0200 |
commit | 0ec31a61f0d46e03e9e80c2ff57fa3ae2fdf92d3 (patch) | |
tree | cb56a470a5b8ed52cde9417d7bfa6f94349b4c38 | |
parent | Merge branch 'cleanup/blocksize-diet-part1' of git://git.kernel.org/pub/scm/l... (diff) | |
parent | btrfs: remove unlikely from data-dependent branches and slow paths (diff) | |
download | linux-0ec31a61f0d46e03e9e80c2ff57fa3ae2fdf92d3.tar.xz linux-0ec31a61f0d46e03e9e80c2ff57fa3ae2fdf92d3.zip |
Merge branch 'remove-unlikely' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux into for-linus
-rw-r--r-- | fs/btrfs/async-thread.c | 10 | ||||
-rw-r--r-- | fs/btrfs/extent-tree.c | 4 | ||||
-rw-r--r-- | fs/btrfs/file.c | 4 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 10 | ||||
-rw-r--r-- | fs/btrfs/ioctl.c | 2 | ||||
-rw-r--r-- | fs/btrfs/transaction.c | 2 |
6 files changed, 16 insertions, 16 deletions
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index 2da0a66790ba..4dabeb893b7c 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -92,7 +92,7 @@ __btrfs_alloc_workqueue(const char *name, int flags, int max_active, { struct __btrfs_workqueue *ret = kzalloc(sizeof(*ret), GFP_NOFS); - if (unlikely(!ret)) + if (!ret) return NULL; ret->max_active = max_active; @@ -116,7 +116,7 @@ __btrfs_alloc_workqueue(const char *name, int flags, int max_active, ret->normal_wq = alloc_workqueue("%s-%s", flags, ret->max_active, "btrfs", name); - if (unlikely(!ret->normal_wq)) { + if (!ret->normal_wq) { kfree(ret); return NULL; } @@ -138,12 +138,12 @@ struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, { struct btrfs_workqueue *ret = kzalloc(sizeof(*ret), GFP_NOFS); - if (unlikely(!ret)) + if (!ret) return NULL; ret->normal = __btrfs_alloc_workqueue(name, flags & ~WQ_HIGHPRI, max_active, thresh); - if (unlikely(!ret->normal)) { + if (!ret->normal) { kfree(ret); return NULL; } @@ -151,7 +151,7 @@ struct btrfs_workqueue *btrfs_alloc_workqueue(const char *name, if (flags & WQ_HIGHPRI) { ret->high = __btrfs_alloc_workqueue(name, flags, max_active, thresh); - if (unlikely(!ret->high)) { + if (!ret->high) { __btrfs_destroy_workqueue(ret->normal); kfree(ret); return NULL; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 9a5effa32a66..0d599ba1aaed 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -9690,7 +9690,7 @@ void btrfs_end_nocow_write(struct btrfs_root *root) int btrfs_start_nocow_write(struct btrfs_root *root) { - if (unlikely(atomic_read(&root->will_be_snapshoted))) + if (atomic_read(&root->will_be_snapshoted)) return 0; percpu_counter_inc(&root->subv_writers->counter); @@ -9698,7 +9698,7 @@ int btrfs_start_nocow_write(struct btrfs_root *root) * Make sure counter is updated before we check for snapshot creation. */ smp_mb(); - if (unlikely(atomic_read(&root->will_be_snapshoted))) { + if (atomic_read(&root->will_be_snapshoted)) { btrfs_end_nocow_write(root); return 0; } diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 29b147d46b0a..a18ceabd99a8 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -452,7 +452,7 @@ static noinline int btrfs_copy_from_user(loff_t pos, int num_pages, if (unlikely(copied == 0)) break; - if (unlikely(copied < PAGE_CACHE_SIZE - offset)) { + if (copied < PAGE_CACHE_SIZE - offset) { offset += copied; } else { pg++; @@ -1792,7 +1792,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb, if (sync) atomic_inc(&BTRFS_I(inode)->sync_writers); - if (unlikely(file->f_flags & O_DIRECT)) { + if (file->f_flags & O_DIRECT) { num_written = __btrfs_direct_write(iocb, from, pos); } else { num_written = __btrfs_buffered_write(file, from, pos); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 6c4da8446397..fc9c0439caa3 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -7803,9 +7803,9 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip, atomic_inc(&dip->pending_bios); while (bvec <= (orig_bio->bi_io_vec + orig_bio->bi_vcnt - 1)) { - if (unlikely(map_length < submit_len + bvec->bv_len || + if (map_length < submit_len + bvec->bv_len || bio_add_page(bio, bvec->bv_page, bvec->bv_len, - bvec->bv_offset) < bvec->bv_len)) { + bvec->bv_offset) < bvec->bv_len) { /* * inc the count before we submit the bio so * we know the end IO handler won't happen before @@ -8018,8 +8018,8 @@ static ssize_t btrfs_direct_IO(int rw, struct kiocb *iocb, ret = btrfs_delalloc_reserve_space(inode, count); if (ret) goto out; - } else if (unlikely(test_bit(BTRFS_INODE_READDIO_NEED_LOCK, - &BTRFS_I(inode)->runtime_flags))) { + } else if (test_bit(BTRFS_INODE_READDIO_NEED_LOCK, + &BTRFS_I(inode)->runtime_flags)) { inode_dio_done(inode); flags = DIO_LOCKING | DIO_SKIP_HOLES; wakeup = false; @@ -9014,7 +9014,7 @@ static int __start_delalloc_inodes(struct btrfs_root *root, int delay_iput, spin_unlock(&root->delalloc_lock); work = btrfs_alloc_delalloc_work(inode, 0, delay_iput); - if (unlikely(!work)) { + if (!work) { if (delay_iput) btrfs_add_delayed_iput(inode); else diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index fd9d19057e7e..e732274f1afd 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3166,7 +3166,7 @@ static void clone_update_extent_map(struct inode *inode, em->start + em->len - 1, 0); } - if (unlikely(ret)) + if (ret) set_bit(BTRFS_INODE_NEEDS_FULL_SYNC, &BTRFS_I(inode)->runtime_flags); } diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 0bcdcc65627f..dcaae3616728 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -418,7 +418,7 @@ start_transaction(struct btrfs_root *root, u64 num_items, unsigned int type, /* * Do the reservation for the relocation root creation */ - if (unlikely(need_reserve_reloc_root(root))) { + if (need_reserve_reloc_root(root)) { num_bytes += root->nodesize; reloc_reserved = true; } |